\fA landlord currently has 100 units being rented at $750 per unit. He finds that when he increases the price by $25, he loses 4 tenants' a) What is the optimal rent? b) How many tenants does this leave him with? c) What is his revenue? Bob has a mosquito problem in his backyard. He makes an initial count of 487 mosquitos on the first day, and 982 mosquitos on the second day. Assuming there is the same growth rate each subsequent day.... a. How many mosquitos will there be after 14 days? b. When will the mosquito population be growing by 15,000 mosquitos per day