Set Operations
11 practice questionsDiscrete MathematicsStep-by-step solutions
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1
If A = {1, 2, 3} and B = {2, 3, 4}, what is A ∩ B?
A.{2, 3}
B.{1, 4}
C.{1, 2, 3, 4}
D.{ }
2
How many subsets does a set with 3 elements have?
A.3
B.6
C.8
D.9
3
If A = {1, 2, 3} and B = {3, 4, 5}, what is A ∪ B?
A.{3}
B.{1, 2, 3, 4, 5}
C.{1, 2}
D.∅
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