$\left(2+2y^2\right)\frac{dy}{dx}=e^x\cdot y$

$\frac{dy}{dx},\left(\sqrt{x}\right)^y=\left(\sqrt{y}\right)^x$

$15x+2=47$

$4x^2-13x+10$

$\lim_{x\to9}\left(\frac{\sqrt{2}-2}{\sqrt{x+2}-x}\right)$

$\int_4^8\left(200+50x\right)dx$

$5v^4cos\left(v^4\right)sin\left(v^4\right)$