Math 8 Chapter 4: Functions

Math 8 Chapter 4: Functions

9th Grade

10 Qs

quiz-placeholder

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Math 8 Chapter 4: Functions

Math 8 Chapter 4: Functions

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF-BF.A.1C, 8.F.A.1, HSF.IF.B.5

Standards-aligned

Created by

Anthony Clark

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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

x2+2x+3

4x2+3

2x2+3

2x2+6

Tags

CCSS.HSF-BF.A.1C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Is the relation a function? Why?

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

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

Tags

CCSS.8.F.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identify the domain of the following relation:

-6, 14, 2, 28

(-6,14), (0,32), (2,38), (4,44)

-6, 0, 2, 4

14, 32, 38, 44

4.

MULTIPLE CHOICE QUESTION

1 min • 3 pts

Given f(x)= -3x+7 and g(x)=2x2 - 8, find f(g(x)).

f(g(x))= -6x2+31

f(g(x))= -6x2+24

f(g(x))=18x2-84x+6

f(g(x))=9x2-42x-1

Tags

CCSS.HSF-BF.A.1C

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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

16

4

-4

None of these.

Tags

CCSS.HSF-BF.A.1C

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

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

19

23

-10

None of these.

Tags

CCSS.HSF-BF.A.1C

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Which option below is the same as (f∘g)(x) (How can you rewrite this)

f(x)*g(x)

f(g(x))

g(f(x))

(f*g)(x)

Tags

CCSS.HSF-BF.A.1C

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