jika (Fog)(x)= 2x+8, f(x)= 8x-1. tentukan g(x)!
Jawab:
Penjelasan dengan langkah-langkah:
(fog)(x) = 2x + 8
f(x) = 8x - 1
(fog)(x) = f(g(x))
2x + 8 = 8g(x) - 1
8g(x) = 2x + 8 + 1
8g(x) = 2x + 9
g(x) = (2x + 9)/8
g(x) = (1/4)x + (9/8)
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