Selena is graphing the inequality x less-than negative 2. She begins by drawing a number line and placing an open circle at –2. A number line going from negative 7 to positive 3. An open-circle is at negative 2.

Which could be Selena’s next step?
shading the number line to the left of the open circle
shading the number line to the right of the open circle
shading the number line to the right and left of the open circle
shading in the open circle