$\lim_{x\to-2}\left(2\right)^{x+2}$

$\left(\frac{3}{3y}-\frac{3}{y}\right)^2$

$2\left(x+3\right)=22$

$3x+9<7+x$

$\left(7^0x^3y^{-1}\right)^2$

$\int_{-\infty}^0\left(2e^x\cdot\left(x-1\right)\right)dx$

$\lim_{x\to\infty}\left(\frac{ln\left(3x\right)}{ln\left(2x\right)}\right)$