molly-richardson_60a576e2e89a7
molly-richardson_60a576e2e89a7
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Fazendo o cálculo> 2x-7+x+1≥ 0 3x-6≥ 0 3x≥ 6 x≥ 2 A resposta, portanto, é a letra d) S = {x ЄR |x ≥ 2}