Is the relation a function? Why.

No, because the x-value 11 has two y-values pair with it.

Yes, because the x-value 11 has two y-values pair with it.

Yes, because each x-value has only one y-value paired with it.

No, because each x-value has only one y-value paired with it.

Function Arithmetic

Quiz

•

Mathematics

•

9th Grade

•

Practice Problem

•

Hard

•

CCSS

HSF-BF.A.1C, HSA.APR.D.6, 8.F.A.1

+4

Standards-aligned

Anthony Clark

FREE Resource

19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

h(x) = 2x² - x + 1
g(x) = 3x
Find (h*g)(x).

5x³ + 2x² + 3x

2x² + 2x + 1

6x³ - 3x² + 3x

6x³ - 1

Tags

CCSS.HSF-BF.A.1B

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

If f(x) = 5x and g(x) = 2x-1,
what is the composition f(g(x)) ?

10x-1

10x-5

5x²-1

5x²-5

Tags

CCSS.HSF-BF.A.1C

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

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

19

23

-10

None of these.

Tags

CCSS.HSF-BF.A.1C

4.

MULTIPLE CHOICE QUESTION

1 min • 10 pts

18

-1

19

17

Tags

CCSS.HSF-BF.A.1B

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

g(x)=3x+4
h(x)=3x-1
Find (g∘h)(x)

-9x+11

4x²+4x

9x+1

9x+11

Tags

CCSS.HSF-BF.A.1C

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

g(x)=3x-2
h(x)=5x-7
Find the value of g∘h(6)

67

73

23

16

Tags

CCSS.HSF-BF.A.1C

7.

FILL IN THE BLANK QUESTION

1 min • 5 pts

f(x)=x-5
g(x)=4x
Find (f∘g)(2)

Tags

CCSS.HSF-BF.A.1C

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Function Arithmetic

19 questions

h(x) = 2x² - x + 1
g(x) = 3x
Find (h*g)(x).