annagwhiteou0hrh annagwhiteou0hrh
  • 01-05-2019
  • Mathematics
contestada

If set A = {3, 4, 7, 9}, set B = {8, 9, 10, 11}, and set C = {4, 9, 11, 13, 15}, then A∩(B∪C) =

{}
{4, 9}
{3, 4, 7, 9, 11}

Respuesta :

a5904640
a5904640 a5904640
  • 01-05-2019

A = {3, 4, 7, 9}

B = {8, 9, 10, 11}

C = {4, 9, 11, 13, 15}

A∩(B∪C)

First let's solve parentheses, we want the union between B and C.

B∪C = {4, 8, 9, 10, 11, 13, 15}

Now we want the interception between A and this, which means we want just the value which appears in both.

A∩{4, 8, 9, 10, 11, 13, 15} = {4, 9}

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