Anew video game is expected to sell 120 copies the first hour at a local game store. after that, the sales will follow the function s(x) = 15(x − 1) where x is the number of hours. what is the function that shows total sales, including the first hour?

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total