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Intro to Functions

Authored by Anthony Clark

Mathematics

9th Grade

CCSS covered

Intro to Functions
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

-9

7

-11

None of these

Tags

CCSS.HSF-BF.A.1C

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

10x2

18x2 + 4

6x2 + 4

Tags

CCSS.HSF-BF.A.1C

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

f(x)=x2-4
h(x)=3x+3
f(h(x))

3x2-9

12x2+8x+5

16x2-36x+20

9x2+18x+5

Tags

CCSS.HSF-BF.A.1C

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

19

23

-10

None of these.

Tags

CCSS.HSF-BF.A.1C

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

0

3

6

9

Tags

CCSS.HSF-BF.A.1C

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does it mean to find the inverse of a function?

the x's and y's are switched

the x's and y's are divided by 2

the x's and y's are made negative

the x's and y's are the same

Tags

CCSS.HSF-BF.B.4A

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