Question

6) Dados os conjuntos A = ) { x R / -2 ≤ x ≤ 4 } e B = ) { x R / 1 < x ≤ 9 }, determine A U B, A ∩ B, A – B e B – A. A _________________________________________________ B _________________________________________________ A U B _________________________________________________ A ∩ B _________________________________________________ A – B _________________________________________________ B – A ________________________________________________

Answer 1

Resposta: AUB [-2, 9]

A intercessão B ]1,4]

A-B [-2,1]

B-A ]4, 9]

Explicação passo-a-passo: