American roulette is the same as Monte Carlo roulette (as discussed in Lecture 0) except that the numbers start at double zero (00) and continue 0, 1, 2, . . . , 36, with 00 and 0 both labeled as green. Create two probability trees.

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?