Question

Given the following sets.

Answer 1

B = {a, b, c, d}

C = {0, a, 2, b}

B ∪ C = {a, b, c, d, 0, 2}

Answer: E)

Everything from the set B and everything from the set C give to one set. Duplicated elements are written only once.

Answer 2

B U C means the union of the 2 sets so each it contains all the elements in both sets

Answer is E  (Note:  elements are not repeated)