Exploring Types of Discontinuities Practice Test

For $\eta(x)=\frac{x^2-4}{x-2}$, what type of discontinuity does $\eta$ have at $x=2$?

For $f(x)=\begin{cases}\frac{x^2-9}{x-3},&x\ne3\\2,&x=3\end{cases}$, what type of discontinuity does $f$ have at $x=3$?