1. (08.08 MC) The base of a solid is a circle centered at the origin with a radius r, and every plane section perpendicular to a diameter is a square. What is the volume of the solid? (1 point) 163 3 3 O 16mr3 3 O w 9 2. (08.08 MC) The base of a solid is the region in the first quadrant bounded by the graphs of y = -x2 + 4, y =6, and x = 2. For the solid, each cross-section perpendicular to the x- axis is a square. What is the volume of the solid? (1 point) 1867.2 5.067 O 25.067 3.7332. (08.08 MC) The base of a solid is the region in the first quadrant bounded by the graphs of y = -x2+ 4, y =6, and x = 2. For the solid, each cross-section perpendicular to the x- axis is a square. What is the volume of the solid? (1 point) 1867.2 O 5.067 25.067 3.733 3. (08.08 MC) Let R be the region in the first quadrant bounded by the graph of y = 2x, the line x = 6, and the x-axis. R is the base of a solid whose cross sections perpendicular to the x-axis are equilateral triangles. What is the volume of the solid? (1 point) O 1873 O 9V3 O 72 3 O 7V34. (08.08 MC) Let R be the region in the first quadrant bounded by the graphs of y = x and y = 2x. The region R is the base of a solid. For the solid, each cross-section perpendicular to the y-axis is a rectangle whose height is 4 times its width in the xy-plane. What is the integral expression that represents the volume of the solid? (1 point) Ofa(vy - } y)dy OfAry - buzz dy O (24(2X - x 2)2 dx 5. (08.08 MC) The base of a solid is the region in the first quadrant between the graph of y = x and the x-axis for 0s x = 2. For the solid, each cross-section perpendicular to the x- axis is a semicircle. What is the volume of the solid? (1 point) O on O 5 O 5