Answer
The following is the sketch of the graph $f$ defined on $\mathbb{R}$ which has discontinuities at $x=0$ and $x=3$, but has continuities from the right at $0$ and from the left at $3$.
Work Step by Step
The following is the sketch of the graph $f$ defined on $\mathbb{R}$ which has discontinuities at $x=0$ and $x=3$, but has continuities from the right at $0$ and from the left at $3$.