Quiz about Finding the Inverse of a Function

Question 1

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

Accepted Answer

the x's and y's are switched

Answer

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

Answer

the x's and y's are made negative

Answer

the x's and y's are the same

Question 2

If f(x)=x+5, what is f^-1(x)?

Accepted Answer

x - 5

Answer

(x + 5)2

Answer

(x + 5)-1

Answer

undefined

Question 3

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

Accepted Answer

x/3

Answer

3x2

Answer

3x + 3x

Answer

3x-1

Question 4

Which is f ^-1(x)?

Accepted Answer

f^-1(x) = 5x - 3

Answer

f^-1(x) = 5x + 3

Answer

f^-1(x) = 5x - 15

Answer

f^-1(x) = 1/5(x) + 3/5

Question 5

Is the inverse function found correctly?

Accepted Answer

yes

Answer

no

Question 6

Was the inverse function found correctly?

Accepted Answer

no,

Answer

yes

Question 7

What is the inverse of this function?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 8

Was the inverse function found correctly?

Accepted Answer

no

Answer

yes

Question 9

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

Accepted Answer

(4, 1) and (6, 4)

Answer

(1, 4) and (4, 6)

Answer

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

Answer

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

Question 10

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 11

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

Accepted Answer

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

Answer

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

Answer

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

Answer

f^-1(x) = -4x - 7

Question 12

Which is f ^-1(x)?

Accepted Answer

f^-1(x) = 3x + 15

Answer

f^-1(x) = 3x + 5

Answer

f^-1(x) = 3x - 5

Answer

f^-1(x) = 3x - 15

Question 13

Question 13.

Accepted Answer

Inverse Functions

Answer

Not Inverse Functions

Question 14

Inverse Functions

Not Inverse Functions

Accepted Answer

Inverse Functions

Answer

Not Inverse Functions

Question 15

What operation allows us to verify if functions are inverses?

Accepted Answer

Composing

Answer

Multiplying

Answer

Dividing

Answer

Adding

Finding the Inverse of a Function

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