Question

Considere os conjuntos A = {−5, −4, 8, 10}, B = {x ∈ Z | x < 8} e C = {x ∈ N | x > 6}.
Determine:
(a) A ∪ B
(b) B ∩ C
(c) B \ A
(d) (B ∪ C) ∩ A

Answer 1

Resposta:

Explicação passo-a-passo:

a) AUB={-5,-4,8}

b)B∩C={6,7,8}

c)B \ A={10}

(d) (B ∪ C) ∩ A={x∈Z,6<x<8∩8}