A central rental company a base and a daily charge to rent a car. The function f (x) = 35x +50 relates the length of the rental in days, x, to the total charge in dollars, f (x). What units should be used to describe the rate of charge of the function?

A. Days/dollar
B. Dollars/day
C. Hours/day
D. Days/hour

Respuesta :

i think b . sorry if it’s wrong
i think b because they charge daily so it would be how much money a day