Jika f(x) = 4x + 7, f(a) = 27 tentukan a

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Jika f(x) = 4x + 7, f(a) = 27 tentukan a

Jawaban Terkonfirmasi

F(x) = 4x + 7
f(a) = 4a + 7 = 27
          4a = 27 – 7
          4a = 20
            a =  frac{20}{4}
            a = 5

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