A restaurant is open 36 hours a week. The manager wants to divide the day into work shifts of equal length. The shifts should not overlap. All shift durations should be a whole number of hours. Describe the different ways this could be done.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?