jeremy-marshall_6095367307747
jeremy-marshall_6095367307747
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OK, você tem f(x) = ax + b, mas b=5, então f(x) = ax + 5; f(3) = 11, então f(3) = a.3 + 5 = 11 a.3 + 5 = 11 a.3 = 6 a = 2 Portanto, f(x) = 2x + 5.