Question

Jean needs to rent a car for an upcoming buiness trip. The cost per day for the car is $30, and the one-time-refueling cost upon return is $50. What is the function that relates the cost of the car, C, to the number of days it is rented, d?

Answer 1

C = 50 + 30d

Explanation:

For one day,

50 + 30

For two days

50 + 2(30)

For d days,

50 + d(30)

C = 50 + 30d