10th Grade Pre-Calc

The demand equation for a hand-held electronic organizer is... P=5000(1-(4/4+e^-.002x))

Find the demand x for a price of (a) P=600?

So strange. Thx for help

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  1. Don't you mean

    P = 5000[1 - 4/(4 + e^-.002x)]
    ?

    If P = 600 ,

    0.120 = [1 - 4/(4 + e^-.002x)]
    4/(4 + e^-.002x)] = 0.88
    4 + e^-.002x = 4.5454
    e^-.002x = 0.5454
    -0.002x = ln(0.5454) = -0.6061
    x = 303

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    posted by drwls
  2. ab

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