Kelko is a software saleswoman. Let P be Kelko's total pay (in dollars). Let N be the number of coples of History is Fun she has sold. Kelko has 130 coples
available to sell. Suppose that P=40N+1800 gives P as a function of N for these available coples.
Identify the correct description of the values in both the domain and range of the function. Then, for each; choose the most appropriate set of values.