Question

Dado o s intervalos : A {X ∈ R /- 4 ≤ x < 9} , B = ] -1 , 8 ] A∩B =

Answer 1

Resposta:

A {X ∈ R /- 4 ≤ x < 9} , B = ] -1 , 8 ] A∩B =

A∩B = {0, 1, 2, 3, 4, 5, 6, 7, 8}