1. ## Inequation solve problem

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

2. ## 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*}.

3. ## Re: Inequation solve problem

Here is the graph, but if think it don't help much.