Tentukan invers dari 1. F (x)=-9×-6/x 2. F (x) = -5x-3/5x-6
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Pertanyaan
Tentukan invers dari
1. F (x)=-9×-6/x
2. F (x) = -5x-3/5x-6
1. F (x)=-9×-6/x
2. F (x) = -5x-3/5x-6
1 Jawaban
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1. Jawaban BSunShine
Materi : Fungsi
Kelas : X SMA
f(x) = -9x - 6 / x
y = -9x - 6 / x
yx = -9x - 6
yx + 9x = -6
x(y + 9) = -6
x = -6 / (y + 9)
f⁻¹ = -6 / (x + 9)
f(x) = -5x - 3 / 5x - 6
y = -5x - 3 / 5x - 6
5xy - 6y = -5x - 3
5xy + 5x = -3 + 6y
x(5y + 5) = -3 + 6y
x = -3 + 6y / 5y + 5
f⁻¹ = -3 + 6x / 5x + 5