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    w86lynn's Avatar
    w86lynn Posts: 2, Reputation: 1
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    #1

    Mar 2, 2007, 12:34 PM
    Limits in calculus
    The local gamae commission decided to stock a lake wit htrout. To do this, 200 trout werer introduced into the lake. The population of the trout can be approximated by
    P(t)=20(10+7t)/(1+0.02t) where t is time in months since the lake was stocked and P(t) is the population after t months.

    (a) determine the population in 1 year
    (b) determine lim P(t) and interpret. The result is called the limiting size of the population.
    asterisk_man's Avatar
    asterisk_man Posts: 476, Reputation: 32
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    #2

    Mar 2, 2007, 12:49 PM
    (a) just substitute and simplify. Set t=12
    (b) I assume you want the limit of P(t) as t goes to infinity. Since you've got a fraction you can use L'Hopital's rule to take the limit.

    hope this helps get you started. If you have additional questions let us know!

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