diketahui (f)(x) = 2x-14 dan (g)(x) = x-10 tentukan (fog)^-1(x)
Matematika
revaekojulianto14
Pertanyaan
diketahui (f)(x) = 2x-14 dan (g)(x) = x-10 tentukan (fog)^-1(x)
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Fungsi Komposisi
(fog) (x) = f(x - 10)
(fog) (x) = 2 (x - 10) - 14
(fog) (x) = 2x - 20 - 14
(fog) (x) = 2x - 34
y = 2x - 34
2x = y + 34
x = (y + 34)/2
(fog)⁻¹ (x) = (x + 34)/2