jika f(x)=2x+4 dan (fog) (x) =4x2 +2x maka g(x)
Matematika
anggi1145
Pertanyaan
jika f(x)=2x+4 dan (fog) (x) =4x2 +2x maka g(x)
1 Jawaban
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1. Jawaban oktanaruhma
(fog) (x) = f(g(x)=4x^2+2x
f(x) =2x+4
f(g(x) =2 g(x) +4
2 g(x) +4=4x^2+2x
2 g(x) = 4x^2 +2x-4
g(x) = 2x^2+x-2