A car rental agency charges 34 $ per day to rent a car and 12.95​$ per day for a global positioning system​ (GPS). Customers are charged for their full tank of gas at ​$3.60 per gallon. A car has a 14 gallon tank and a GPS.
​a) Write a function rule for the total bill b as a function of the days d the car is rented.
​b) What is the bill for a day​ rental?
​a) Choose the correct function rule for the total bill b as a function of the days d the car is rented.
​(Type an integer or a​ decimal.)