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Math Help - help graphing

  1. #1
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    Help with Word Problem

    Dan Owns a burger stand. His profit is represented with P(x)= -2x squared + 352x -15000, with p being profits and x the number of burgers sold. How many burgers must he sell to earn the most profit? What will this maximum profit be?

    I dont know how to even start it.
    Last edited by helpless12; July 10th 2008 at 12:24 AM.
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  2. #2
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    Quote Originally Posted by helpless12 View Post
    Dan Owns a burger stand. His profit is represented with P(x)= -2x squared + 352x -15000, with p being profits and x the number of burgers sold. How many burgers must he sell to earn the most profit? What will this maximum profit be?
    I dont know how to even start it.
    You need to find the coordinates of the turning point of this quadratic function. Then:

    The number of burgers is given by the x-coordinate of the turning point and the maximum profit by the P-coordinate.
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