Speed of pulley A = 300 r. p.m. Speed of pulley B =
rip. m.
Speed of pulley C =
r. p.m
Speed of polley D-
r. p.m.

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?