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Question 1

 

1.         (The function given below will be used for questions #1 - #5.)

 

Given :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626607,MEE1,22400573

 

Find the x value of the vertex (turning point).

 

[removed]

 

x = 3

[removed]

 

x = -3

[removed]

 

x = -2

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None of the above

 

5 points   

 

Question 2

 

1.         Using the same function as in #1, find the y value of the vertex.

 

[removed]

 

y = -4

[removed]

 

None of the above

[removed]

 

y = 32

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y = 4

 

5 points   

 

Question 3

 

1.         Is this vertex you found above a minimum point or a maximum point?

 

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Minimum point

[removed]

 

Maximum point

 

5 points   

 

Question 4

 

1.         What is the y-intercept of the function in #1?

 

[removed]

 

(0, 6)

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(0, 5)

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(5, 0)

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None of the above

 

5 points   

 

Question 5

 

1.         What are the zeros of the parabola in #1? (that is, at what points does the graph cross the x-axis?)

 

[removed]

 

None of the above

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{ (-1, 0), (-5, 0) }

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{ (1, 0), (5, 0) }

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{ (0, -1), (0,-5) }

 

5 points   

 

Question 6

 

1.         (Questions 6, 7, and 8 will use the following 2 functions.)

 

Given :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626776,MEE1,22400725

 

Find :  (f + g)(x)

 

[removed]

 

None of the above

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626829,MEE1,22400769

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=140959113,MEE1,49418949

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626809,MEE1,22400751

 

5 points   

 

Question 7

 

1.         Using the functions in #6 , find (f - g)(x)

 

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626852,MEE1,22400790

[removed]

 

None of the above

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626841,MEE1,22400779

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626863,MEE1,22400800

 

5 points   

 

Question 8

 

1.         Using the functions in #6 , find:

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626881,MEE1,22400816

 

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626902,MEE1,22400835

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626925,MEE1,22400853

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626891,MEE1,22400824

[removed]

 

None of the above

 

5 points   

 

Question 9

 

1.         (Questions 9, 10, and 11 will use the following two functions.)

 

Given :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626932,MEE1,22400859

 

Find :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626947,MEE1,22400871

 

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626973,MEE1,22400885

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626980,MEE1,22400889

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626998,MEE1,22400905

[removed]

 

None of the above

 

5 points   

 

Question 10

 

1.         Using the functions in #9 , find :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626619,MEE1,22400583

 

[removed]

 

= 4(x - 2)

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626650,MEE1,22400611

[removed]

 

None of the above

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626630,MEE1,22400593

 

5 points   

 

Question 11

 

1.         Using the information from  one of the last two questions , find :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626676,MEE1,22400635

 

[removed]

 

Undefined

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0

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None of the above

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-3/2

 

5 points   

 

Question 12

 

1.         "y is directly proportional to x and is inversely proportional to the square root of w"

 

Give the equation.

 

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626690,MEE1,22400647

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626713,MEE1,22400667

[removed]

 

None of the above

[removed]

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=140959031,MEE1,49418868

 

5 points   

 

Question 13

 

1.         Using the answer you got from question #12, find k when y = 4, x = 12  and w = 4.

 

[removed]

 

k = 24

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k = 16/3

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None of the above

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k = 2/3

 

5 points   

 

Question 14

 

1.         Given the cubic function :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=140959049,MEE1,49418885

 

What are the zeros of the cubic function?

 

[removed]

 

{2, -2, 5}

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{-2, 0, 2}

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None of the above

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{-2, 2, -5}

 

5 points   

 

Question 15

 

1.         Given the cubic function from #14, what is the function's y-intercept?

 

[removed]

 

(0, -20)

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(0, -5)

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None of the above

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(0, 20)

 

5 points   

 

Question 16

 

1.         Using the same function from #14, what is:

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=140959064,MEE1,49418901

 

[removed]

 

f(3) = 4

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None of the above

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f(3) = -10

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f(3) = 10

 

5 points   

 

Question 17

 

1.         (The following rational function will be used for questions 17, 18, and 19.)

 

Given :

 

http://files.ecollege.com/binc/dynamicsrc.asp?file=67626750,MEE1,22400700

 

What is the vertical asymptote?

 

[removed]

 

None of the above

[removed]

 

x = 2

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x = -2

[removed]

 

x = 0

 

5 points   

 

Question 18

 

1.      Using the same function from #17, what is the function's horizontal asymptote?

 

[removed]

 

y = 0 (or the "x axis")

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y = 4

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y = -4

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None of the above

 

5 points   

 

Question 19

 

1.         Using the same function from #17, what is this function's y-intercept?

 

[removed]

 

(0, 0)

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None of the above

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(0, 4)

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(0, -2)

 

5 points   

 

Question 20

 

1.         Given:

 

 

What is the horizontal asymptote?

 

[removed]

 

y=0 (the "x-axis")

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y=-2

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y=½

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y=4

 

 

 

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