Quiz about Composition and Evaluating Functions

Question 1

p(x) = 3x + 4
q(x) = 2x²
Find q(p(x))

Accepted Answer

18x²+ 48x + 32

Answer

6x2 + 4

Answer

18x2 + 32

Answer

None of these.

Question 2

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

Accepted Answer

6x2 + 4

Answer

10x2

Answer

18x2 + 4

Question 3

p(x) = 3x + 4
q(x) = 2x²
Find p(p(-3))

Accepted Answer

-11

Answer

-9

Answer

7

Answer

None of these

Question 4

f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))

Accepted Answer

None of these.

Answer

-42

Answer

-26

Answer

-18

Question 5

find f(g(1))

Accepted Answer

2

Answer

3

Answer

1

Answer

-6

Question 6

Question 6.

Accepted Answer

36

Answer

72

Answer

27

Answer

54

Question 7

find g(f(1))

Accepted Answer

0

Answer

-2

Answer

-8

Answer

1

Question 8

Find f[g(5)]

Accepted Answer

92

Answer

30

Answer

242

Answer

2

Question 9

Question 9.

Accepted Answer

1

Answer

5

Answer

6

Answer

8

Question 10

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

Accepted Answer

19

Answer

23

Answer

-10

Answer

None of these.

Question 11

f(x)=x²-2x+1
Evaluate the function for f(-1).

Accepted Answer

f(-1)=4

Answer

f(-1)=0

Answer

f(-1)=2

Answer

f(-1)=-1

Question 12

Find g(- 2).

Accepted Answer

-24

Answer

12

Answer

-2

Answer

18

Question 13

Evaluate the function for the given inputs.
For f(x) = -2x + 4,
find f(x) when x = -5

Accepted Answer

f(-5) = 14

Answer

f(-5) = -6

Answer

f(-5) = -3

Answer

f(-5) = 2

Question 14

f(1) =

Accepted Answer

1

Answer

-1

Answer

2

Answer

-2

Question 15

If f(x) = 5x and g(x) = 2x-1,

what is the composition f(g(x)) ?

Accepted Answer

10x-5

Answer

10x-1

Answer

5x2-1

Answer

5x2-5

Composition and Evaluating Functions

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