A taxi company states that a driver drives about 575 miles per day and that this amount can vary by as much as 45 miles. What are the maximum and minimum numbers of miles a driver will drive in a day?

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?