(sets)
Use U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10), A = {2, 3, 4), B = {4, 7, 8, 9), and C = {3, 4, 9} to find the given set.
AUB
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
O A. ĀUB = { }
(Use a comma to separate answers as needed.)
B. The solution is the empty set.
