A local drive-in theater sells entrance tickets for cars on weekend nights. At capacity, the drive-in can hold 72 cars. The function c(n) =25n represents the drive-in's revenue on a weekend night, where n represents the number of cars. in this situation, what is the domain of c(n)?
All real numbers.
All positive rational numbers.
All positive integers less than or equal to 72
All positive integers that are multiples of 25
The correct answer is: All positive integers less than or equal to 72.
The domain of a function represents all possible input values for the function. In this case, the number of cars (n) can vary from 1 to 72 because the drive-in can only hold a maximum of 72 cars. Any number of cars higher than 72 would not be feasible and would not be part of the domain of the revenue function.