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Question: can you answer questions 15 16 and 18 please...

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Can you answer questions 15, 16 and 18 please?
your biology growth, and that there is likely a carrying capacit similar unattended lakes in the area that have had trout in them for years. The ze these results are too good to be true as time goes on. You recall from class that there are a variety of factors that tend to constrain population y for your lake. You look at other Wildlife Department estimates the trout populations of these small lakes to be about 200. You have decided to model the environmental constraints to the population growth rate with the linear expression 40- (1/5) y. You feel a better D.E. representing the trout population growth rate in your lake is given by (1/20) y (40-(1/5) )
Next, with H 75 trout/year you decide to do some more calculations. 14. Use the computer grapher to draw the slope field for the new D.E. 15. Sketch the phase line for the D.E 16. State the equilibrium solutions of the D.E. 17. Use the computer grapher to draw the solutions to the D.E. for initially 40, 60, 140, and 160 trout. 18. Sketch by hand on your paper the solutions to the D.E. in the ty-plane with initially 40, 60, 140, and 160 trout introduced. Dont forget your scales.
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