diketahui f(x)=2x+3 dan g(×)=×2-4×+2.tentukan (fog) (×)=...
Matematika
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Pertanyaan
diketahui f(x)=2x+3 dan g(×)=×2-4×+2.tentukan (fog) (×)=...
2 Jawaban
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1. Jawaban idznizhahrina
f(g(x))=f(x²-4x+2)
=2(x²-4x+2)+3
=2x²-8x+7 -
2. Jawaban Wan98
f(x) = 2x + 3
g(x) = x² - 4x + 2
(fog)(x)
= f(x² - 4x + 2)
= 2(x² - 4x + 2) + 3
= 2x² - 8x + 4 + 3
= 2x² - 8x + 7