Sejam os conjuntos A ={1, 2, 3, 4}, B ={-1, 2, -3, 4}.
Determine o conjunto D = A ∪ B e o conjunto E = A ∩ B.
A) D = {1, 2, 3, 4}
E = {-1, -3}

B) D = {-3, -1, 1, 2, 3, 4}
E = {-1, -3, 2, 4}

C) D = {1, 2, 3, 4}
E = {2, 4}

(D) D = {-3, -1, 1, 2, 3, 4}
E = {2, 4}

E) D = {-1, -3, 1, 3}
E = {-1, -3}


≡≡≡⇒ Alternativa D
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