Alan's company rents cars to people who are at least 24 years old. Which graph best represents the possible ages of people who can rent cars from Alan's company? (5 points)
A number line with a closed circle on 24, with shading to the left.
A number line with an open circle on 24, with shading to the left.
A number line with a closed circle on 24, with shading to the right.
A number line with an open circle on 24, with shading to the right.