Graham is graphing the inequality x greater-than 4. He draws a number line and shades over the numbers that are greater than 4.

A number line going from negative 1 to positive 9. The line is shaded from 4 and to the right.

What must Graham do to complete his representation of x greater-than 4?
Draw an open circle at 4.
Draw a closed circle at 4.
Draw an open circle at 5.
Draw a closed circle at 5.