April 2019 1 164 Report
Quiz Math
Materi : Fungsi Invers
Kelas : X SMA
Difficulties : Med

 Jika \ f^{-1}(\frac{1-x}{x+1})=x \\ untuk \ semua \ x \neq -1 \\ maka \ pernyataan \ berikut \\ yang \ terpenuhi \ adalah...
(1) f(-2-x)=-2-f(x)
(2) f(-x) =\frac{1}{f(x)} , x \neq 1
(3) f(\frac{1}{x}) = -f(x) , x \neq 0
(4) f(f(x)) = -x
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