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Math Help - exponential growth help

  1. July 15th 2007, 05:03 PM #1
    davecs77
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    exponential growth help

    Rabbit populations are considered to grow exponentially. A farmer buys 8 rabbits and finds that within 6 months he now has 24 rabbits. How many more months must the farmer wait until he has 216 rabbits?
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  2. July 15th 2007, 05:16 PM #2
    galactus
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    Find k. 24=8e^{-k(6)}

    Solve for k, then use it in 216=8e^{-kt} and solve for t.
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