Jika f(x) = 4x2-12x + 9, invers fungsi f...?
Matematika
aep141401
Pertanyaan
Jika f(x) = 4x2-12x + 9, invers fungsi f...?
1 Jawaban
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1. Jawaban dedenkusnandar
F(x) = 4x² - 12x + 9
y = 4x² - 12x + 9
y = (2x - 3)²
2x - 3 = ± √y
x = (3 ± √y) / 2
f-¹(x) = (3 ± √x) / 2