Choose the correct description of the graph of the compound inequality

x - 1 less than or equal to 7 or 2x greater than or equal to 22

a ) a number line with an open circle on 8, an open circle on 11, and shading in between.

b ) a number line with an open circle on 8, shading to the left, and an open circle on 11, shading to the right.

c) a number line with a closed circle on 8, shading to the left, and a closed circle on 11, shading to the right.

d) a number line with a closed circle on 8, a closed circle on 11, and shading in between.