$\frac{dy}{dx}\left(y=\left(e^{-2x}\right)\sqrt[3]{x^2-1}\sqrt{1+\sqrt{x}}\right)$

$\frac{3x^2+18x+13}{x+5}$

$4x+1\le9$

$5x+y=8$

$\int cos^5\left(7x\right)sin\left(7x\right)dx$

$\int\left(4-\sin\left(2x\right)\right)^2dx$

$\frac{\cos\left(x\right)\left(1+\frac{1}{\tan\left(x\right)}\right)}{\frac{1}{\sin\left(x\right)}}\:=\sin\left(x\right)\cos\left(x\right)$