Question

Sabendo que A = {1, 2, 3, 4}, B = {4, 5, 6} e C = {1, 6, 7, 8, 9}, podemos afirmar que o conjunto (A ∩B) ∪C é:

Answer 1

A = {1, 2, 3, 4}, B = {4, 5, 6} e C = {1, 6, 7, 8, 9}
(A∩B) UC = ({1,2,3,4} ∩ {4,5,6})U{1,6,7,8,9} = 
{4} U {1,6,7,8,9} = {1,4,6,7,8,9}

S = {1,4,6,7,8,9}