f(x)=x+5x+4 g(x)=-x+3 komposisi(f°g)(x)
Matematika
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Pertanyaan
f(x)=x+5x+4 g(x)=-x+3 komposisi(f°g)(x)
1 Jawaban
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1. Jawaban vianneymelania
(fog)(x)
= f(g(x))
= (x + 3)² + 5(x + 3) + 4
= x² + 6x + 9 + 5x + 15 + 4
= x² + 11x + 28