$22\left(-5\right)$

$\int\frac{\sec\left(x\right)^2}{\tan\left(x\right)^2+1}dx$

$\int x\left(ax^2-b\right)^5dx$

$\lim_{x\to-0.1}\left(\frac{\sqrt{x+1}-1}{x}\right)$

$\frac{dy}{dx}=\frac{9x^2}{3y^2-6}\:,\:y\left(1\right)=0$

$\int\frac{-3xe^x}{\left(1+x\right)}dx$

$-3x\ge-18$