Choose the correct description of the graph of the compound inequality: (5 points)
x − 1 less than or equal to 7 or 2x greater than or equal to 22
Select one:
a. A number line with an open circle on 8, shading to the left, and an open circle on 11, shading to the right
b. A number line with an open circle on 8, an open circle on 11, and shading in between
c. A number line with a closed circle on 8, a closed circle on 11, and shading in between
d. A number line with a closed circle on 8, shading to the left, and a closed circle on 11, shading to the right