Philip P. answered 11/05/18
Effective and Patient Math Tutor
A = {4, 6, 8}
B = {3, 4, 7, 10}
A U B = Both sets combined = {3, 4, 6, 7, 8, 10}
(A U B)' = Everything (U) that's not in A U B = U - (A U B) = {3,4,5,6,7,8,9,10} - {3,4,6,7,8,10} = Can you finish it?