Using x for the number of days and y for the total cost in dollars, construct a function to model the relationship between the number of days and the total cost of renting a midsize car.
The same company is advertising a deal on compact car rentals. The linear function y = 30x + 15 can be used to model the relationship between the number of days (x) and the total cost (y) of renting a compact car. a. What is the fixed administrative fee? b. What is the rental cost per day?