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Math Help - Inequation solve problem

  1. #1
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    Inequation solve problem

    I don't know how to solve this-> (-4e^-2x)-9sin3x>0.
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  2. #2
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    Re: Inequation solve problem

    Start by drawing the graphs of \displaystyle \begin{align*} -4e^{-2x} \end{align*} and \displaystyle \begin{align*} 9\sin{3x} \end{align*} and see where \displaystyle \begin{align*} -4e^{-2x} > 9\sin{3x} \end{align*}.
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  3. #3
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    Re: Inequation solve problem

    Here is the graph, but if think it don't help much.
    Attached Thumbnails Attached Thumbnails Inequation solve problem-capture.png  
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