This table shows values that represent an exponential function. Х
у
7
1
2
9
3
13
4
21
5
37
What is the average rate of change for this function for the interval from x = 3
to x = 5?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.