Question 1

What test determines if a function has an inverse that is also a function?

Accepted Answer

Horizontal Line Test

Answer

Diagonal Line Test

Answer

Negative Line Test

Answer

Vertical Line Test

Question 2

Are ALL linear functions one-to-one (aka, pass the horizontal line test)?

Accepted Answer

Yes

Answer

No

Question 3

What is the relationship of the slopes of a function and its inverse?

Accepted Answer

the slopes are reciprocals

Answer

the slopes are opposites

Answer

the slopes are equivalent

Answer

the slopes are opposite and reciprocals

Question 4

Which of the following is the function for the inverse of y - 2 = 4 ( x + 6)?

Accepted Answer

y + 6 = 1/4 ( x - 2)

Answer

y + 2 = 1/4 ( x - 6)

Answer

y + 6 = 1/4 ( x + 2)

Answer

y - 6 = 1/4 ( x + 2)

Question 5

The x-intercept of a function is 6.  Which of the following is true?

Accepted Answer

The y-intercept of the inverse if 6.

Answer

The x-intercept of the original function is 1/6.

Answer

The x-intercept of the inverse is 6.

Answer

The y-intercept of the inverse is 1/6.

Question 6

A function and its inverse are reflections of one another over which line?

Accepted Answer

y = x

Answer

y = 1

Answer

x = 0

Answer

y = 0

Question 7

What point would be on the inverse of the function y - 3 = -6 ( x + 1)

Accepted Answer

(3 , -1)

Answer

(-1 , 3)

Answer

(1 , 3)

Answer

(-3 , 1)

Question 8

Which type of line DOES NOT have an inverse that is a function?

Accepted Answer

A horizontal line's inverse is not a function.

Answer

A straight line's inverse is not a function.

Answer

A vertical line's inverse is not a function.

Answer

A diagonal line's inverse is not a function.

Question 9

Which of the following could be an equation for the INVERSE of this function?

Accepted Answer

y - 4 = 4/3 ( x + 2 )

Answer

y + 2 = 4/3 ( x + 2 )

Answer

y - 5 = 4/3 ( x + 2 )

Answer

y = 4/3x - 5

Question 10

f(3) = -8. What is a point on the inverse of f(x)?

Accepted Answer

(-8 , 3)

Answer

(-3 , 8)

Answer

(8 , 3)

Answer

(8 , -3)

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