A fish hatchery has 600 fish at t 0, when harvesting begins at a rate of b> 0 fish/year. The fish population is modeled by the initial value problem y'(t) = 0.03y-b, y(0) = 600, where t is measured in years. a) Find the fish population, for t>0, in terms of the harvesting rate b. b) Graph the solution in the case that b 60 fish/year. Describe the solution. ..... a) Find the fish population in terms of the harvesting rate b. y(t) =

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