Jorge earns $8.25 per hour at his part-time job. This summer, he will work 22.5 hours per week. He spends $61.50 each week on food and gas. How many weeks will it take for him to save $840 for a new computer?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Answer! if you don’t mind, can you explain

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.