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Math Help - [SOLVED] Linear Applications help

  1. #1
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    [SOLVED] Linear Applications help

    A small theatre has a seating capacity of 2000. When the ticket price is $20, attendance is 1500. For each $1 decrease in price, attendance increases by 100.

    a). write a linear funtion of A(X) and specify the domain of the function

    b). write a funtion that represents the revenue, R(X) as a funtion of ticket price, x. Specify the appropirate domain of the function.

    So for the linear functon of A(x), I put it as:
    A(x) = 20x , 0 is less than or equal to x and less than or equal to 1500.
    but I don't know if this would be right.

    and for b). I can't think of a function that would work for it. I've tried using my graphing calculator but I keep getting negatives.

    Edit: Took me 2 hours but I finally solved it!
    Last edited by kelvinly; March 9th 2010 at 08:52 PM.
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