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25 Qs

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Assessment

Quiz

Mathematics

Practice Problem

Hard

Created by

Margaret Walker

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25 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f-1(x) go through?

(1, 4) and (4, 6)
(-4, -1) and (-6, -4)
(-1, -4) and (-4, -6)
(4, 1) and (6, 4)

2.

MULTIPLE CHOICE QUESTION

5 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

3.

MULTIPLE CHOICE QUESTION

5 mins • 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

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If f(x)=3x, what is f-1(x)?

x/3

3x2

3x + 3x

3x-1

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The inverse has been reflected over which line?

y = x
x = 0
y = 0
x = -y

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

f(x) = -4x - 12

What is f-1(x)?

f-1(x) = 4x - 3

f-1(x) = -1/4x - 3

f-1(x) = 1/4x + 3

f-1(x) = -4x - 3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the inverse of f(x) = -4x - 12

f-1(x) = 4x - 3
f-1(x) = -1/4x - 3
f-1(x) = 1/4x + 3
f-1(x) = -4x - 3

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