Jika G(x)= x+1 dan (f°g)(x)= x² + 5x-3 maka F(x+2) =...
Matematika
septyana201
Pertanyaan
Jika G(x)= x+1 dan (f°g)(x)= x² + 5x-3 maka F(x+2) =...
2 Jawaban
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1. Jawaban newwiguna
f(x) = x²+3x-7
f(x+2)= x²+7x+3 -
2. Jawaban alifiandirm
g(x) = x + 1
(f o g)(x) = f(g(x)) = f(x + 1) = x² + 5x - 3
f(x+2) = (x+1)² + 5(x+1) - 3
f(x+2) = x² + 2x + 1 + 5x + 5 - 3
f(x+2) = x² + 7x + 3