15 points+ brainliest please i need it asap

15 point ! ~ see if you know the answer to both you!

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.

Ineed the solution to this problem and the steps.