Nancy’s parents gave her $200 to start her savings account. after 5 months of saving, nancy has $350 in her account. what is the rate of change of the amount of money in her account each month?

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.