Question: SALES: LOUDSPEAKERS Sales of the Acrosonic model F loudspeaker systems have been growing at the rate of
f'(t) = 2000(3 - 2e-t)
Units/year, where t denotes the number of years these loudspeaker systems have been on the market. Determine the number of loudspeaker systems that were sold in the first 5 yr after they appeared on the market.