$\lim_{x\to\infty}\left(\frac{3x}{7e^x}\right)$

$\lim_{x\to2}\left(\sqrt[3]{2+\sqrt{2x+5}}\right)-\:\sqrt[3]{5}9$

$\frac{2}{3x}+\left|\frac{3}{4}\right|=\frac{1}{x}$

$60x+1100<4000$

$8y-4<52$

$\int\frac{-2t^5}{\sqrt{t^2+2}}dt$

$\frac{1+cos\left(x\right)-sin\left(x\right)}{cos\left(x\right)+sin\left(x\right)-1}$