basic math 101 only 11 questions

profileqatar2000
Math100f19za.abdulaziz7.TCAFunctionArithmeticTranslations.pdf

Math100f19za Assignment TCAFunctionArithmeticTranslations due 11/01/2019 at 11:59pm CDT

1. (1 point) Let f (x) = 3x+4 and g(x) = 2x2 +3x. ( f +g)(7) =

Answer(s) submitted: •

(incorrect)

2. (1 point) Let the function f be defined by

f (x) = 6x+5.

Then f (4)+ f (9) = and f (4)− f (9) = Answer(s) submitted: • •

(incorrect)

3. (1 point) Let f (x) = 2x2−6x+5 and g(x) = x2 +4. Find f +g, f −g, f ·g, and f

g . Simplify your answers.

1. f +g = 2. f −g = 3. f ·g = 4.

f g =

Answer(s) submitted: • • • •

(incorrect)

4. (1 point)

y = f (x) y = g(x)

Use the graphs of y = f (x) and y = g(x) above to the find the function value. Write undefined if the function value is undefined.

(a) ( f +g)(0) = (b) ( f −g)(4) =

Answer(s) submitted: •

(incorrect)

5. (1 point)

x f (x) g(x) 0 −1 5 1 2 2 2 4 −5 3 1 −1 4 5 5

Use the table defining f and g to solve: NOTE: Write Does not exist if the value does not exist.

a) ( f −g)(1) = b) ( f +g)(1)− (g− f )(2) =

c) (

f g

) (1) =

Answer(s) submitted:

• • •

(incorrect)

6. (1 point) For f (t) = t−3 and g(t) = t−5, find:

a) (

f g

) (t) =

b) (

f g

) (−3) =

Answer(s) submitted:

• •

(incorrect)

7. (1 point) For f (x) = 3x+1 and g(x) = 6x−4, find: a) ( f −g)(x) = b) ( f −g)(−6) = Answer(s) submitted:

• •

(incorrect)

1

8. (1 point) Match the function with one of the graphs below.

A B

C D

1. f (x) = 3x2

2. f (x) = x2−2 3. f (x) =−3x2 4. f (x) = x2 +1

Note: You can click on the graphs to enlarge the images.

Answer(s) submitted: • • • •

(incorrect)

9. (1 point) Write an equation that represents the function graphed in blue by using transformations from y = |x|, which is graphed in green.

Equation: Answer(s) submitted:

(incorrect)

11. (1 point) The graph of f (x) is shown (black) below. Write the correct letter corresponding to each transformation listed.

f(x) A B

C D E

f (2x): 2 f (x): f (x+2): f (x)+2: f (x)−2: Answer(s) submitted:

• • • • •

(incorrect) 2

Generated by c©WeBWorK, http://webwork.maa.org, Mathematical Association of America

3