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Matematika
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1 Jawaban
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1. Jawaban Anonyme
Bab Fungsi
Matematika SMA Kelas XI
f(2x) = (4x - 8) / (10x + 6)
f(2 . x/2) = (4 . x/2 - 8) / (10 . x/2 + 6)
f(x) = (2x - 8) / (5x + 6)
f^-1 (x) = (-6x - 8) / (5x - 2)