Quiz about Function Composition

Question 1

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

Accepted Answer

-11

Answer

-9

Answer

7

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

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

Accepted Answer

9x+1

Answer

-9x+11

Answer

4x2+4x

Answer

9x+11

Question 4

f(x)=x²-4
h(x)=3x+3
f(h(x))

Accepted Answer

9x2+18x+5

Answer

3x2-9

Answer

12x2+8x+5

Answer

16x²-36x+20

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(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

Accepted Answer

4

Answer

16

Answer

-4

Answer

None of these.

Question 7

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

Accepted Answer

6

Answer

0

Answer

3

Answer

9

Question 8

Given f(x) = 3x² + 7x and g(x) = 2x² - x - 1, find (f + g)(x).

Accepted Answer

5x² + 6x - 1

Answer

11x2 - 1

Answer

5x⁴ + 6x² - 1

Answer

5x² + 8x - 1

Question 9

f(x) = 4x+8
g(x) = x+3,
Find f(x) * g(x)

Accepted Answer

4x²+20x+24

Answer

4x2+24

Answer

4x²+12x+24

Answer

4x2+4x+24

Question 10

f(x) = x²+9
g(x) = x-9
Find f(x)-g(x).

Accepted Answer

x2-x+18

Answer

x2+x+9

Answer

x2-x+9

Answer

x2-x

Question 11

f(x)=3x²+1
g(x)=4x+5
What is (f+g)(2)

Accepted Answer

26

Answer

13

Answer

0

Answer

6x2+8x+12

Question 12

h(x)=x²-3x-10,
j(x)=3x-2
What is (h/j)(-2)

Accepted Answer

0

Answer

-2

Answer

undefined

Answer

1

Question 13

g(x)=3x+4
h(x)=3x-1
Find g(h(x))

Accepted Answer

9x+1

Answer

-9x+11

Answer

4x2+4x

Answer

9x+11

Question 14

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of f(g(4)).

Accepted Answer

182

Answer

40

Answer

61

Answer

None of the Above

Question 15

Find f(2).

Accepted Answer

-2

Answer

-18

Answer

24

Answer

6

Question 16

f(x-2)

Accepted Answer

2x² - 13x + 18

Answer

2x² - 5x + 18

Answer

2x² - 8x + 3

Answer

2x² - 13x + 2

Question 17

g(4x)

Accepted Answer

192x3

Answer

1728x3

Answer

12x3

Answer

36x3

Question 18

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

what is and g(f(x)) ?

Accepted Answer

2x-2

Answer

2x2-1

Answer

2x-1

Answer

x-2

Question 19

f(n)=2n+1
g(n)=3n
Find f(n)+g(n)

Accepted Answer

5n+1

Answer

-5n+1

Answer

-2n+1

Answer

-6n-1

Question 20

Question 20.

Accepted Answer

740

Answer

576

Answer

124

Answer

-10

Answer

64

Function Composition

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics