$\lim_{x\to5}\left(\sqrt{x+4}\right)$

$\int\frac{\left(4-in\left|x+3\right|\right)^3}{x+3}dx$

$\lim_{x\to0}\left(\frac{\ln\left(a\cdot y^x+b\cdot z^x\right)}{x}\right)$

$\int_0^1\left(x-3\right)e^{-x}dx$

$( a ) ( 3 a - x ^ { 2 } )$

$\left(6\right)\left(-17\right)$

$cos\left(x\right)=\frac{1}{csc\left(x\right)}$