Question

7. Considere os conjuntos A = {5,10,15,20} e B = {2, 5, 11}. Determine A ∪ B:
A) A ∪ B ={2, 9}
B) A ∪ B ={2, 5, 10, 11, 15, 20}
C) A ∪ B ={1,2,3,5,6,7,9} D) A ∪ B ={1,2,3,3,4,5,6,7,8,9}
E) nenhuma das alternativas.

8. Considere os conjuntos A = {2, 4, 6, 8, 10, 12} e B = {2, 6, 7, 8}, determine: A ∩ B
A) A ∩ B = {1,2,3,3,4,5,6,7,8,9}
B) A ∩ B = { 2, 9} C) A ∩ B = {2, 6, 8}
D) A ∩ B = ={1,2,3,5,6,7,9}
E) nenhuma das alternativas

Answer 1

Resposta:

Não entendi me desculpe