Bru HELP ME If a car uses g gallons of gasoline in a 200-mile test run, its fuel efficiency
is calculated by the formula E =
200
8

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?