This means \(x \textless 4\) (writing the \(x\) on the left-hand side). The line between these two points means that \(x\) satisfies both inequalities, so a double inequality must be created.

This means \(x \textless 4\) (writing the \(x\) on the left-hand side). The line between these two points means that \(x\) satisfies both inequalities, so a double inequality must be created.