Atlantic Corporation operates car rental agencies at more than 20 airports. Customers can choose from one of three contracts for car rentals of one day or less:

Contract 1: $60 for the day

Contract 2: $40 for the day plus $0.20 per mile traveled

Contract 3:$1.40 per mile traveled

Plot separate graphs for each of the three contracts, with costs on the vertical axis and miles traveled on the horizontal axis

Express each contract as a linear cost function of the form y=a +bx

identify each contract as a variable-, fixed-, or mixed-cost function

Plot separate graphs for each of the three contracts, with costs on the vertical axis and miles traveled on the horizontal axis