$\lim_{x\to-1}\left(\frac{2x+5}{x+4}\right)^{\frac{2}{x+1}}$
$\lim_{b\to\infty}\left(b^x\left(-e^{-b}\right)\right)$
$3-4q=27$
$\csc\left(1\pi\right)$
$5x^2-5x$
$1-\frac{cot\left(x^2\right)}{cos\left(x^2\right)}=cot\left(x^2\right)$
$\int\frac{x}{\sqrt{x^2+94}}dx$
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