College Algebra
Improve your experience by picking them
Given the following sets, find A ∪ ∅, and indicate if A and ∅ are disjoint sets:
U = {34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49}
A = {36, 38, 40, 42, 44}