Questão 151957

𝑆 = {𝑥 ∈ ℝ / 𝑥 ≤ −2 𝑜𝑢 − 1 ≤ 𝑥 ≤ 1 𝑜𝑢 𝑥 ≥ 2}

𝑆 = {𝑥 ∈ ℝ / 𝑥 ≥ −2 𝑜𝑢 − 1 ≥ 𝑥 ≤ 1 𝑜𝑢 𝑥 ≥ 4}

𝑆 = {𝑥 ∈ ℝ / 𝑥 ≤ 4 𝑜𝑢 10 ≤ 𝑥 ≤ 11 𝑜𝑢 𝑥 ≤ −1}

𝑆 = {𝑥 ∈ ℝ / 𝑥 ≤ 2 𝑜𝑢 − 2 ≤ 𝑥 ≤ −1 𝑜𝑢 𝑥 ≥ −2}