Question

Dado U = {−5, −4, −3, −2, −1, 0, 1, 2, 3, 4, 5}, sejamA = {x ∈ U | x < 1}, B = {x ∈ U | −4 < x 6 2} e C = {x ∈ U | x > 0},​

Answer 1

Resposta:

A = {-5, -4, -3, -2, -1, 0}

B = {-3, -2, -1, 0, 1} (deduzindo que aquele 6 signifique <)

C = {1, 2, 3, 4, 5}