Çözüldü Doğrusal (Lineer) Fonksiyon

f(x - y) = f(x) - f(y), f(12) = 16, f(3) = ?
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f(a) = k·a
f(x) = k·x
f(y) = k·y
f(x - y) = k(x - y)
k(12) = 16 ⇒ k = 4 / 3
f(a) = 4a / 3
f(3) = 4·3 / 3 = 4