math homework

danels2
math_4.pdf

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}

Quest ion 1 5 points

Sav e

Solve the exponential equation. Express the solution set in terms of natural logarithms.

4x+4 = 52x+5

{7 ln 5 - 5 ln 4}

{ln 5 - ln 4}

Que stion 2

5 points Save

Solve the problem.

A grocery store normally sells 5 jars of caviar per week. Use the Poisson

Distribution to find the probability (to three decimals) of selling 3 jars in a

week.

0.281 0.14 0.421 0.094

Que

stion 3

5 points Save

The graph of a logarithmic function is shown. Select the function which matches the graph.

f(x) = log5x

f(x) = log5(x - 1)

f(x) = log5(x + 1)

f(x) = log5x + 1

Que

stion 4

5 points Save

Find the exact value of the logarithmic expression.

log4

3

-3

-

Que stion 5

5 points Save

Solve the equation.

3 · 52t - 1 = 75

{3}

Que

stion 6

5 points Save

Solve the problem.

A thermometer reading is brought into a

room with a constant temperature of If

the thermometer reads after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling:

U = T + (Uo - T)e kt.

(Round your answer to two decimal places.)

104.4°F 30.85°F 66.42°F 45.6°F

Que

stion 7

5 points Save

Find the indicated composite for the pair of functions.

(f g)(x): f(x) = , g(x) = 8x - 7

8

8 - 7

2

2

Que

stion 8

5 points Save

Solve the problem.

Which of the two rates would yield the larger amount in 1 year: 4.5% compounded semiannually or 4.4% compounded quarterly?

4.5% compounded semiannually 4.4% compounded quarterly They will yield the same amount.

Que

stion 9

5 points Save

Solve the problem.

The function f(x) = 300(0.5)x/60 models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. Find the amount of radioactive material in the vault

after Round to the nearest whole number.

425 pounds 42 pounds 235 pounds 53 pounds

Que

stion 10

5 points Save

Solve the equation.

log6 (x 2 - 5x) = 1

{6} {1} {6, -1} {-6, 1}

Que

stion 11

5 points Save

Express y as a function of x. The constant C is a positive number.

ln y = ln 4x + ln C

y = 4Cx y = 4x + C y = (4x)C

y = x + 4C

Que stion 12

5 points Save

Find the exact value of the logarithmic expression.

ln l

-1 0 e 1

Que

stion 13

5 points Save

Solve the problem.

The logistic growth function f(t)

= describes the population of

a species of butterflies after they are introduced to a non-threatening habitat. How many butterflies are expected in the habitat after 12 months?

480 butterflies 401 butterflies 244 butterflies 4800 butterflies

Que

stion 14

5 points Save

Express as a single logarithm.

40 log5 + log5(40x 6) - log5 40

log5 x 14/5

log5 x 14

log5 x 13/6

log5 x 11/8

Que

stion 15

5 points Save

Solve the problem.

The function f(x) = 1 + 1.6 ln (x+1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 6 consecutive free throws?

24 days 80 days 22 days 78 days

Que

stion 16

5 points Save

Find the amount that results from the investment.

$1,000 invested at 9% compounded annually after a period of 8 years

$1828.04 $1992.56 $2171.89 $992.56

Que

stion 17

5 points Save

Change the logarithmic expression to an equivalent expression involving an exponent.

log5 = -2

2 = 5

5-2 = 525 = 2

25 =

Que stion 18

5 points Save

Express as a single logarithm.

(logaq - logar) + 4logap

loga

loga

loga logaqp

4r

Que

stion 19

5 points Save

Solve the equation.

log2(x + 6) = log8(3x)

{3, 0}

{3} {9}

Que

stion 20

5 points Save

If the following defines a one-to-one function, find the inverse.

{(6, 6), (12, 7), (10, 8), (8, 9)}

{(7, 6), (9, 10), (6, 10), (7, 8)} {(7, 6), (6, 10), (6, 12), (7, 8)} Not a one-to-one function {(6, 6), (7, 12), (8, 10), (9, 8)}