$y=\frac{sin^6\left(x\right)tan^4\left(x\right)}{\left(x^2+2\right)^2}$

$\sqrt[2]{5^{2+x}}$

$\frac{d}{dx}\sqrt[3]{x^3}+3$

$\int\frac{1}{arcsin\left(7x\right)\sqrt{1-49x^2}}dx$

$25x^2+16<40x$

$\left(2x-8z\right)^2$

$\lim_{x\to9}\left(\frac{81-x^2}{\sin\left(\pi x\right)}\right)$