For the following exercises, use shells to find the volume generated by rotating the regions between the given curve and y = 0 around the x-axis. 130. y = V1 - x2, x = 0, x = 1 and the x-axis 131. y = x2, x = 0, x = 2 and the x-axis 132. y = 7, X = 0, x = 2, and the x-axis 133. y = 72, x = 1, x = 2, and the x-axis 134. x = 1+12 , y = 1, and y = 4