Function Inverses

Question 1

What is the slope of line m?

Revolt · Accepted Answer

-1/2

Question 2

What is the slope of line p?

Revolt · Accepted Answer

2/3

Question 3

The equation of this type of line is y = kx. What is special about k?

Revolt · Accepted Answer

C: k is the slope of the line.

Question 4

a = ,

Revolt · Accepted Answer

0.05

Question 5

Based on the graph shown to the right, whose phone cost varies directly with the amount of time spent talking?

Revolt · Accepted Answer

B: Nikiya’s only

Question 6

Mark’s cost does not vary directly with time spent talking because

Revolt · Accepted Answer

B: the cost of 0 hours is not 0 dollars

Question 7

mph

Revolt · Accepted Answer

4 mph

Question 8

Base on these results, the runner ran at a rate between 0.5 and 2 hours than between 1.5 and 2.5 hours.

Revolt · Accepted Answer

B: slower

Question 9

What are the coordinates for the end of the interval?

Revolt · Accepted Answer

A: (9, 4)

Question 10

Which graph shows a function that always has a negative average rate of change?

Revolt · Accepted Answer

B:

Function Inverses Answers