\[~A\text{ }\text{ }B\text{ }=\text{ }\left\{ x:\text{ }3\text{ }\le \text{ }x\text{ }\le \text{ }5,\text{ }x\in R \right\}\]
Also, it very well may be addressed on a number line as:
\[~A\text{ }\text{ }B\text{ }=\text{ }\left\{ x:\text{ }3\text{ }\le \text{ }x\text{ }\le \text{ }5,\text{ }x\in R \right\}\]
Also, it very well may be addressed on a number line as: