$-0.116\cdot12^3+1.84\cdot12^2-20.71\cdot12+40$

$\left(\frac{2}{7}x+\frac{3}{4}\right)^3$

$2e^x=0$

$2x-3\le7$

$\int_1^3\left(\sqrt{1\:+\frac{1}{2\sqrt{x}}}\right)dx$

$f\left(x\right)=\tan\cdot\cot\cdot$

$\sqrt[16]{\left(x-1\right)\left(x+1\right)\left(x^2+1\right)\left(x^4+1\right)+1}$