contestada

Which is the intersection of the sets {1,4,8,9} and {2,4,7,9,11}?

A. Null Set

B. {4,9}

C. {1,2,7,8,11}

D. {1,2,4,7,8,9,11}

Respuesta :

B is your answer because both 4 and 9 are in both sets
fichoh

The intersection of a set refers to the set of values which occurs in both sets. Hence, the intersection is {4, 9}

Set A :

  • {1, 4, 8, 9}

Set B:

  • {2, 4, 7, 9, 11}

The intersection of sets A and B denoted as AnB:

AnB = {4, 9}

Therefore, the intersection of the sets is {4, 9}

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