Quiz about Inverse Functions

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

The inverse of the function f(x) is written as ...

Accepted Answer

f -1(x)

Answer

f 2(x)

Answer

f '(x)

Answer

f +(x)

Question 3

What are the missing values if g(x)=f^-1(x)?

Accepted Answer

(9,-5)

Answer

(-9,-5)

Answer

(5,9)

Answer

(-9,5)

Question 4

Find the inverse of $$f\left(x\right)=\frac{1}{4}x-7$$

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 5

Are these the graphs of two inverse functions?

Accepted Answer

Yes

Answer

No

Answer

No way to tell

Question 6

Are the blue and red graphs inverse functions?

Accepted Answer

yes

Answer

no

Answer

no way to tell

Question 7

Is the inverse function found correctly?

Accepted Answer

yes

Answer

no

Question 8

Was the inverse function found correctly?

Accepted Answer

no,

Answer

yes

Question 9

Was the inverse function found correctly?

Accepted Answer

no

Answer

yes

Question 10

Which is the inverse of the table?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 11

When finding the inverse of a relation,
1st you replace f(x) with y
2nd switch the x's and y's
What do you do next?

Accepted Answer

solve for y

Answer

replace y with f^-1(x)

Answer

solve for x

Answer

find the greatest common factor

Question 12

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 13

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 14

Is the inverse function found correctly?

Accepted Answer

yes

Answer

no

Question 15

Marilyn and Bryan are studying functions in their math class. Marilyn comes across a function f(x) and Bryan finds its inverse g(x). If Bryan applies g(x) to a certain expression, what result should he expect?

Accepted Answer

3

Answer

2

Answer

24

Answer

None

Question 16

If  g(x) is an inverse of below  f(x) then Select the right choice for g(x)

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 17

Finding the inverse of the function f(x) = 2x - 3.

Accepted Answer

f^(-1)(x) = (x + 3) / 2

Answer

f^(-1)(x) = 2x + 3

Answer

f^(-1)(x) = x - 3 / 2

Answer

f^(-1)(x) = 2x / 3

Inverse Functions

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