Question

(a) {x ∈ R | 0 ≤ x < 3 ou 2 ≤ x ≤ 5}. (b) {x ∈ R | − 1 < x < 7 ou − 1 ≤ x ≤ 7}. (c) {x ∈ R | x < 2 ou x > 2}. (d) {x ∈ R | x < 2 e x ≥ −1}. (e) {x ∈ R | 3 x + 6 > 0 ou 8 − 4 x < 0}. (f) {x ∈ R | 2 x − 6 < 0 e 4 x + 6 ≤ 0}. (g) {x ∈ R | x − 1 > 0 e x − 4 ≤ 0}. (h) {x ∈ R | 6 x − 1 = 0 e 6 x − 1 > 0}.

Answer 1

Resposta:

assim da o valor de 094(:=6*½=23