$\lim_{x\to0}\left(\frac{yx^2+x-1}{yx}\right)$

$-\left(-5w-8.6x-4\right)$

$\lim_{x\to\infty}\left(\left(1+\frac{1}{8+3x^4}\right)^{2+9x^4}\right)$

$500x^{15}+108x^9$

$\lim_{x\to infinity}\left(\frac{5\sqrt{x}}{\sqrt{x-1}}\right)$

$\int_0^{\frac{2}{3}}\left(e^{3x-2}\right)dx$

$\int\:\sqrt[3]{x^2}\left(3x^2-5x+8\right)dx$