After 30 yaers earning 5% interest compounded annually the balance of a saving account is 45,880 what was the original deposit in the account to the nearest hundred dollars

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.