Answer
$ W ∪ Y ∪ Z = {0, 2, 3, 4, 5, 6, 7, 8}$
Work Step by Step
W = {5, 6, 7, 8}
Y = {2, 3, 7, 8}
Z = {0, 2, 4, 6, 8}
The union of two sets is the set of elements in either of the two sets. The union of three sets is the set of elements in any of the three sets.
