Mathematics for IGCSE & O level - Inequalities (Section 1 - No. 34)

In the context of solving inequalities, what does the phrase "show the solution as a number line" instruct you to do?

Draw the inequality on a number line.

Represent the solution graphically on a number line.

Find the numerical values of the solution.

Plot the graph in the Cartesian plane

It's a graphical representation of the solution set.