Suppose your family buys a "movie card" from a DVD store that entitles you to rent 25 movies. You rent 3

movies per week.

Model the situation with a linear function.

Real gross domestic product: a) will increase if the price level increases. b) can change from one year to the next even if there is no change in output. c) will increase if the level of output increases. d) is a measure of inflation.