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Let E be the solid region which lies above the region in the xy-plane bounded the curves y = vx and y = x2 , and bounded from above by the paraboloid z=1-x2 - 32. This solid has mass density p(I, y, z) = ky. Which of the following gives the total mass of the solid E? O a) Total Mass key dzdydr Ob) Total Mass ky dzdydr O d Total Mass k' y dzdydr O d) Total Mass ky dzdydr O el Total Mass ky dzdydr Of) 1-12 Total Mass = ky dzdydr