Tina has £72.90 to turn into yen. How much greater is the amount of yen she would receive if she made her trade on the most favorable day than if she made her trade on the least favorable day? Round to the nearest whole yen. a. ¥172
b. ¥317
c. ¥819
d. ¥1,104

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.