Quiz about Inverses of Simple

Question 1

Are these functions inverses?

Accepted Answer

Yes

Answer

No

Question 2

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 3

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 4

Are the following inverses of each other?

Accepted Answer

False

Answer

True

Question 5

Was the inverse function found correctly?

Accepted Answer

no

Answer

yes

Question 6

If f^-1(-25) = 7 then what is f(7) =

Accepted Answer

-25

Answer

25

Answer

7

Answer

No enough information.

Question 7

Are these functions inverses?

Accepted Answer

No

Answer

Yes

Answer

No way to tell

Question 8

Are these inverse functions?

Accepted Answer

no

Answer

yes

Answer

no way to tell

Question 9

Are the blue and red graphs inverse functions?

Accepted Answer

yes

Answer

no

Answer

no way to tell

Question 10

Find the inverse
f(x)=2x-2

Accepted Answer

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

Answer

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

Answer

f^-1(x)=-7/3x-20/3

Answer

2-2/5x

Question 11

In an inverse function, the _____ and _______ are switched from the original

Accepted Answer

input and output

Answer

f(x) and g(x)

Answer

positives and negatives

Answer

slope and intercept

Question 12

Is the inverse function found correctly?

Accepted Answer

yes

Answer

no

Question 13

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 14

The inverse has been reflected over which line?

Accepted Answer

y = x

Answer

y =1

Answer

y = 0

Answer

y = x + 1

Question 15

What is the inverse of the given coordinates: (1, 2) (3, 8) (-3, 6)

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 16

What is the first step in finding the equation of the inverse of a function?

Accepted Answer

switch x and y

Answer

get x by itself

Answer

solve for y

Answer

write the function in inverse function notation

Question 17

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 18

Are these functions inverses?

Accepted Answer

No

Answer

Yes

Question 19

are these inverse functions?

Accepted Answer

no

Answer

yes

Answer

no way to tell

Question 20

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

Accepted Answer

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

Answer

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

Answer

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

Answer

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

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