The associative property for union of sets states that:

Which of the following is the identity element for union of sets?

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

What is the union of A = {1, 2, 3} and the empty set?

If A = {x | x is a vowel in English} and B = {x | x is a letter in 'apple'}, what is A ∩ B?

If A = {x | x is a factor of 12} and B = {x | x is a factor of 18}, what is A ∩ B?

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

If R = {(a,1), (b,2), (c,3)}, what is the range of R?

What is the identity element for intersection of sets?

The distributive property of intersection over union is:

What does the shaded region in a Venn diagram of A ∩ B represent?

If U = {a, b, c, d, e}, A = {a, b, c}, what is A'?

What is the domain of the relation R = {(1,2), (2,3), (3,4)}?

The commutative property for intersection of sets states that:

What is the complement of set A if A = {2, 4} and U = {1, 2, 3, 4, 5}?

Which property is used in A ∩ (B ∩ C) = (A ∩ B) ∩ C?

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

Which property states that A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C)?

Which of the following is a relation from set X = {1, 2} to set Y = {a, b}?

Which of the following is true for disjoint sets A and B?