Miguel made a graph to show the hour to practice piano each school day last week on Monday he practice 30 minutes and 45 minutes on Tuesday 15 minutes on Wednesday 30 minutes on Thursday 1 and 1 hour on Friday

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.