$\int\cos\left(e^{-x}\right)\cdot e^{-2x}dx$
$a^2\left(1-2e\right)$
$5\left(3x+1\right)<-70$
$\lim_{x\to0}\left(\frac{2e^{-x^{-2}}}{x^3}\right)$
$3x^2-2x-15<0$
$\int\frac{1}{2x^2+8x+9}dx$
$38.975+.216+1.35$
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