Which sequence could be described by the explicit definition: a n = n 2 − 5
group of answer choices
1,-4,4,11,
1,2,3,4,5,
-4,-1,4,11, -
4,11,116,13451

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?