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Bab Fungsi Komposisi
Matematika SMA Kelas X

f(x) = (ax + b) / (cx + d)
f⁻¹ (x) = (-dx + b) / (cx - a)

f(x) = (4x - 3) / (2x + 1)
f⁻¹ (x) = (-x - 3) / (2x - 4)
f⁻¹ (x) = -(x + 3) / -(4 - 2x)
f⁻¹ (x) = (x + 3) / (4 - 2x)