Como calcular los limites y su continuidad
$$\begin{align}& lim┬(x→0)〖f(x)〗=x^5-6x^4+7\\&\\& lim┬(x→3)〖f(x)〗= (9-x^2)/(3-x)\end{align}$$
$$\begin{align}& lim┬(x→0)〖f(x)〗=x^5-6x^4+7\\&\\& lim┬(x→3)〖f(x)〗= (9-x^2)/(3-x)\end{align}$$