jika f(x) = 3x - 1 dan fog(x) = x + 3, temukan g(8)
Matematika
upil16
Pertanyaan
jika f(x) = 3x - 1 dan fog(x) = x + 3, temukan g(8)
1 Jawaban
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1. Jawaban ahreumlim
f(x) = 3x - 1
fog(x) = x + 3
fog(x) = x + 3
f(g(x)) = x + 3
3(g(x)) + 1 = x + 3
3(g(x)) = x + 2
g(x) = (x + 2) / 2
g(8) = (8 + 2) / 2
= 10/2
= 5