Jika g(x)=X-5 dan (gof)(x)=X²+X-15 maka f(x)
Matematika
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Pertanyaan
Jika g(x)=X-5 dan (gof)(x)=X²+X-15 maka f(x)
1 Jawaban
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1. Jawaban ananekusuma21
(gof)(x) = x²+x-15
g(f(x)) = x²+x-15
x-5 (f(x)) = x²+x-15
f(x) = x²+x-15-x+5
f(x) = x²-10