Question

Escreva cada um dos seguintes subconjuntos de Z :

A= {X pertence a Z / X > -4)

B= ( X pertence a Z / -4 menor ou igual a X menor ou igual a 2)

Answer 1

≤A= {X pertence a Z / X > -4)

     X = {-3,-2,-1,0,1,2,3,...}

B= (X pertence a Z / -4 ≤ X ≤ 2 )
     X = { -4,-3,-2,-1,0, 1,2}