Question

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The values on the x-axis range from 0 to 7 in increments of 1. The values on the y-axis range from 0 to 150 in increments of 10. The line begins at left parenthesis 0 comma 25 right parenthesis and slopes upward from left to right, passing through the following: left parenthesis 1 comma 40 right parenthesis, left parenthesis 5 comma 100 right parenthesis, and left parenthesis 7 comma 130 right parenthesis. All values are approximate.


Jasper is moving across town. His rental truck has a flat fee of $25 and an hourly charge of $15. The graph illustrates what he will pay. Interpret the graph. What is the rate of change?

(1 point)
Responses

25
25

40
40

−15

Answer 1

The rate of change is $15 per hour. (The cost starts at $25 and increases by $15 for each additional hour: from (0,25) to (1,40) the rise is 15.)