- #1
clynne21
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Homework Statement
consider a lake that is stocked with walleye pike and that the pike population is governed by P'=.1P(1-P/10) where time is measured in days and P is thousands of fish. Suppose that fishing is started in this lake and that 100 fish are removed daily. modify the logistic model to account for the fishing
Homework Equations
P'=.1P(1-P/10)
The Attempt at a Solution
I am thinking it's just P'=.1P(1-P/10)-.1 but that seems too easy LOL. any thoughts?
Homework Statement
Suppose a population is growing according to the logistic eqn
dP/dt=rP(1-P/K)
Prove that the rate at which the population is increasing is at its greatest when the population is at one-half of it's carrying capacity. Hint: Consider the second derivative of P
Homework Equations
dP/dt=rP(1-P/K)
The Attempt at a Solution
Absolutely no idea where to start with this one :-(