Which graph shows the correct representation of {x | x ≤ 5}? A number line going from 4 to 6. An open circle appears at 5. The number line is shaded between 4 and 5. A number line going from 4 to 6. An open circle appears at 5. The number line is shaded between 5 and 6. A number line going from 4 to 6. A solid circle appears at 5. The number line is shaded between 4 and 5. A number line going from 4 to 6. A solid circle appears at 5. The number line is shaded between 5 and 6.