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:

A) {1,4}
B) {1,4,6,7}
C) {1,4,5,6}
D) {1,4,6,7,8,9}

Answer 1

(A ∩ B) ∪ C =

( 4 ) U (1,6,7,8,9) =

( 1,4,6,7,8,9)


letra D)

Answer 2

A∩B = {4}
A∩BUC = {1,4,6,7,8,9}
D)