A triangle is rotated 90° about the origin. Which rule describes the transformation? (x, y) (-x, -y)
O(x, y) (-y, x)
(x, y) (-), -x)
(x, y) →ly, -x)

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the given curves about y = 8.8y = x3, y = 0, x = 4