Let R be the region in the first quadrant bounded by the graph of y = Vx - 1. the x-axis, and the vertical line * = 10. Which of the following integrals gives the volume of the solid generated by revolving R about the y-axis? (A) = L " (x - 1) dx (B) - L" (100 - (x - 1) dx (C) 10 dy (D) * 100 dy
