A car rental company charges $29 per day to rent a car and $13.95 a day for GPS. Customers are charged for their full tank
of gas at $3.80 per gallon.
a) A car has a 12-gallon tank and a GPS. Write a rule for the total bill b as a function of the number of days d the car is
rented.
b) What is the bill for a 9-day rental?