But since $ f(f(x)) $ is odd (as composition of odd functions), and $ x $ is odd, the equation $ f(f(x)) = x $ is equivalent to $ g(x) = 0 $ where $ g $ is a degree â¤ 9 polynomial, odd. - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$But since $ f(f(x)) $ is odd (as composition of odd functions), and $ x $ is odd, the equation $ f(f(x)) = x $ is equivalent to $ g(x) = 0 $ where $ g $ is a degree â¤ 9 polynomial, odd.$

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