Anthony and Miguel go to the store to purchase some new DVD's. There is an advertisement displayed in the window that states they can buy 3 DVD's for $22.50 or 5 DVD's for $37.50. also i need help fast fast

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.