Choose the correct description of the graph of the compound inequality: (5 points) 3x + 2 > 5 and 3x less than or equal to 9 ; a. A number line with an open circle on 1, shading to the left, and a closed circle on 3, shading to the right b. A number line with a closed circle on 1, shading to the left, and an open circle on 3, shading to the right c. A number line with a closed circle on 1, an open circle on 3, and shading in between d. A number line with an open circle on 1, a closed circle on 3, and shading in between