jika f(x)=x+1,maka f(x2)-2f(x)
Matematika
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Pertanyaan
jika f(x)=x+1,maka f(x2)-2f(x)
1 Jawaban
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1. Jawaban ahreumlim
f(x) = x + 1
f(x²) - 2f(x)
x² + 1 - 2(x + 1)
x² + 1 - 2x - 2
x² - 2x - 1