Let

U = {1, 2, 3, 4, 5, 6, 7, 8}, A = {2, 6, 7}, B = {3, 4, 6, 8}, and C = {1, 5, 8}. Consider the following.
A ∪ B'
What does
A ∪ B' mean?
1) the union of sets A and B
2) the complement of the union of sets A and B
3) the intersection of sets A and B
4) the intersection of set A and the complement of set B
5) the union of set A and the complement of set B
Find the following sets. (Use the roster method to write the set. Enter EMPTY or ∅ for the empty set.)
A=

B'=

Use the sets above to find A ∪ B'. (Use the roster method to write the set. Enter EMPTY or ∅ for the empty set.)
A ∪ B' =

A ∪ B' means the union of set A and the complement of set B.

1) A = {2, 6, 7}
2) B' = {1, 2, 5, 7}
3) A ∪ B' = {1, 2, 5, 6, 7}