Can you show me how to get the correct answer

7. The base of a solid is the region bounded by the x-axis and the graph of y = V1 - x2. For the solid, each cross V section perpendicular to the x-axis is a square. What is the volume of the solid? (A) + 2 1 COLD CO/ N (B (D) 2 75 3 y = (+ ) V ] - x 2 S = JI - X (E) 3 V = 1- x 2 0 x