Consider a population of marine fish in a reef with and intrinsic growth rate of 0.5 per year and a carrying capacity of 100 thousands. Let p(t) be the population of fish (in thousands) at time f (in years). Assume that it can be modelled using the logistic model. Furthermore, assume that fishing is allowed at a constant rate of 8000 per year. a) Write down the appropriately modified logistic model differential equation for p(I). b) Without solving the differential equation, sketch the graph of the particular solution of the differential equation in a), satisfying p(0) = 40. Indicate inflection points if there are any. c) Find the explicit particular solution satisfying p(0) = 40. What is its limit as t 00? a implies extinction for the marine fish.
Consider a population of marine fish in a reef with and intrinsic growth rate of 0.5 per year and a carrying capacity of 100 thousands. Let p(t) be the population of fish (in thousands) at time f (in years). Assume that it can be modelled using the logistic model. Furthermore, assume that fishing is allowed at a constant rate of 8000 per year. a) Write down the appropriately modified logistic model differential equation for p(I). b) Without solving the differential equation, sketch the graph of the particular solution of the differential equation in a), satisfying p(0) = 40. Indicate inflection points if there are any. c) Find the explicit particular solution satisfying p(0) = 40. What is its limit as t 00? a implies extinction for the marine fish.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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