Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Question

Ordinary differential equation problem

The logistic equation for the population p (in thousands) at time t of a certain species is given by dp dt =p(2-p), P>0. 1. Sketch the direction field, either by hand or with the help of a graphical calculator. Use the direction field to answers the following questions. a. If the initial population is 3000 that is, p(0) = 3, what can you say about the limiting population lim p(t)? t→∞ b. Can a population of 1000 ever decline to 500? c. Can a population of 1000 ever increase to 3000? 2. Solve the ODE. 1
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Transcribed Image Text:The logistic equation for the population p (in thousands) at time t of a certain species is given by dp dt =p(2-p), P>0. 1. Sketch the direction field, either by hand or with the help of a graphical calculator. Use the direction field to answers the following questions. a. If the initial population is 3000 that is, p(0) = 3, what can you say about the limiting population lim p(t)? t→∞ b. Can a population of 1000 ever decline to 500? c. Can a population of 1000 ever increase to 3000? 2. Solve the ODE. 1
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