## Calculus (3rd Edition)

We have to graph a function $f$ so that we have: $\displaystyle\lim_{x\rightarrow 1} f(x)=2$ $\displaystyle\lim_{x\rightarrow 3^{-}} f(x)=0$ $\displaystyle\lim_{x\rightarrow 3^{+}} f(x)=4$