Marie daggett went to her bank each week and opened a club account. she deposited $21.75 per time period. if she made 12 deposits before interest was credited, how much would she have deposited before interest was credited? $9.75 $33.75 $181.25 $261.00

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.