L________'________"/' 67. Suppose that a population )7 giows according to the logistic model given by Formula (1). (a) A: What rate is y increasing at time t = 0? (b) In words, describe how the rate of growth of y varies with time. {c} At what time is the population growing most rapidly? no .A I 1 1 A i A '___ _ .__...a..~:... tions of the form L y = 1 + Ae-kt (1) where y is the population at time t (t 2 0) and A, k, and L are positive constants. Show