Megan owes $2900. The first week she will pay back $30. The second week she will pay back $35. The third week she will pay back
$40. If Megan continues to pay the money back using the same sequence, how many weeks will it take her to pay back the entire
amount?
A) -40 B) -29 C) 29 D) 40

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?