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Unit 3 REVIEW 2

Authored by Kingsley Ezeh

10th - 12th Grade

CCSS covered

Used 4+ times

Unit 3 REVIEW 2
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26 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

g(f(x))= -6x2+31
g(f(x))= -6x2+24
g(f(x))=18x2-84x+90
g(f(x))=9x2-42x-41

Tags

CCSS.HSF-BF.A.1C

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

8x - 32
8x2 - 32x
8x - 8
6x - 8

Tags

CCSS.HSF-BF.A.1C

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the inverse of f(x) = x2 - 5

f-1(x) = √(x) + 5
f-1(x) = ∛(x-5)
f-1(x) = ±√(x+5)
f-1(x) = x2 - 5

Tags

CCSS.HSF-BF.B.4A

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The composition of any function, f(x), and
its inverse, f-1(x) = 

x
f(x)
1
0

Tags

CCSS.HSF-BF.B.4B

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the inverse of
f(x) = 1/4x - 7

f-1(x) = 4x + 7
f-1(x) = -4x + 28
f-1(x) = -4x - 7
f-1(x) = 4x + 28

Tags

CCSS.HSF-BF.B.4A

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the inverse of the points
(1,3)(2,4)(6,8)

(3,1)(4,2)(8,6)
(-3,-1)(-4,-2)(-8,-6)
(1,3)(2,4)(6,8)
(-1,-3)(-2,-4)(-6,-8)

Tags

CCSS.HSF-BF.B.4C

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Are these functions inverses?

No
Yes
No way to tell

Tags

CCSS.HSF-BF.B.4B

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