Diketahui g(x) = 6 – 11x dan f(x) = 3x – 9. tentukan (fog)–¹ (x)
Bentar ya kak …di tunggu
Jawab:
Penjelasan dengan langkah-langkah:
(fog)–¹ (x) = ?
(fog)(x) = 3 (6-11x) – 9
= 18 – 33x – 9
= -33x + 9
(fog)–¹ (x) = -33x + 9
y = -33x + 9
33x = -y + 9
x = (-y +9) / 33
(fog)–¹ (x) = (-x +9) / 33