Answer
The solution is
$$\lim_{x\to\infty}\frac{4x^3-2x^2+6}{\pi x^3+4}=\frac{4}{\pi}.$$
Work Step by Step
The solve this limit follow the steps below
$$\lim_{x\to\infty}\frac{4x^3-2x^2+6}{\pi x^3+4}=\lim_{x\to\infty}\frac{x^3(4-\frac{2x^2}{x^3}+\frac{6}{x^3})}{x^3(\pi+\frac{4}{x^3})}=\lim_{x\to\infty}\frac{4-\frac{2}{x}+\frac{6}{x^3}}{\pi+\frac{4}{x^3}}=\left[\frac{4-\frac{2}{\infty}+\frac{6}{\infty^3}}{\pi+\frac{4}{\infty^3}}\right]=\left[\frac{4-0+0}{\pi+0}\right]=\frac{4}{\pi}.$$
