Mathematics for IGCSE & O level - Sets (Section 3 - No. 25)

If A = {1, 2, 3, 4, 5} and B = {5, 6, 7}, what is A ∪ B?

{5}

{1, 2, 3, 4, 5, 6, 7}

{1, 2, 3, 4}

{6, 7}

A ∪ B represents the union of sets A and B. Combine elements from both sets without repetition.