Two species coexist in the same ecosystem. Species I has population P(t) in t years, while Species

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Two species coexist in the same ecosystem. Species I has population P(t) in t years, while Species II has population Q(t), both in thousands, where P and Q are modeled by the functions


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for all times t ≥ 0 for which the respective populations are nonnegative.


a. What is the initial population of each species?


b. What happens to P(t) as t increases? What happens to Q(t)?


c. Sketch the graphs of P(t) and Q(t).

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Calculus For Business, Economics And The Social And Life Sciences

ISBN: 9780073532387

11th Brief Edition

Authors: Laurence Hoffmann, Gerald Bradley, David Sobecki, Michael Price

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