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Thread: linear equations

  1. #1

    linear equations

    A company finds that there is a linear relationship between the amount of money that it spends on advertising and the number of units it sells. If it spends no money on advertising it sells 350 units. For each additional $4000 spent, an additional 20 units are sold.

    a) If x is the amount of money that the company spends on advertising, find a formula for y , the number of units sold as a function of x.

  2. #2
    Senior Member
    Join Date
    Mar 2009
    Posts
    1,577

    Re: linear equations

    [tex]I'll \ give \ you \ the \ answer \ and \ you \ figure \ it \ out.[/tex]

    [tex]y(x) \ = \ 350+\frac{x}{200}, \ x \ = \ increments \ of \ 4000.00.[/tex]
    I am not, therefore I do not think. Contrapositive of Descartes' quip.

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