Quiz about Evaluating Function Composition

Question 1

g(a) = 4a + 1 h(a) = -3a + 2 Find g(h(1))

Accepted Answer

-3

Answer

3

Answer

21

Answer

-21

Question 2

If f(x) = 3x-1,

what is f(x²+2) ?

Accepted Answer

3x2 +5

Answer

x2 +1

Answer

3x2 +1

Answer

3x2 +6

Answer

2

Question 3

If g(x) = 10-x,

what is g(x-3) ?

Accepted Answer

13-x

Answer

10-x

Answer

10-x2

Answer

13-x2

Answer

13

Question 4

Find h(f(-2))

Accepted Answer

2

Answer

0

Answer

-2

Answer

26

Question 5

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

Accepted Answer

19

Answer

23

Answer

-10

Answer

None of these.

Question 6

f(g(x))

Accepted Answer

3x - 16

Answer

3x - 2

Answer

3x - 26

Answer

4x - 2

Question 7

Find f[g(5)]

Accepted Answer

92

Answer

30

Answer

242

Answer

2

Question 8

Given f(x) = 2x and g(x) = x²+3 , find f(g(x)).

Accepted Answer

2x2+6

Answer

x2+2x+3

Answer

4x2+3

Answer

2x2+3

Question 9

Evaluate the above function.

Accepted Answer

3x2-4

Answer

3x2+4

Answer

3x3-4

Answer

3x3+4

Question 10

f(x) = x²
Find f(x-11)

Accepted Answer

x²- 22x + 121

Answer

x-11

Answer

121 - x2

Answer

x2 - 121<ul><li></li></ul>

Answer

121 - 22x - x²

Question 11

Which expression represents g(f(x)) if
f(x) = 2x - 8 and
g(x) = 4x

Accepted Answer

8x - 32

Answer

8x2 - 32x

Answer

8x - 8

Answer

6x - 8

Evaluating Function Composition

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