Answer:
The average rate of change is $25.5 per hour, option B.
Explanation:
Average Rate of Change
When we are explicitly given some function C(x), we sometimes need to know the rate of change of C when x goes from
to
. It can be computed as the slope of a line .

The provided function is

We are required to compute the average rate of change between the points

Let's compute




The average rate of change is $25.5 per hour, option B.