State whether the following are true or false:
If A = {5, 6, 7} and B = {6, 8, 10, 12}; then A
U B = {5, 6, 7, 8, 10, 12).

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