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Functional inequality (Posted on 2020-12-15) Difficulty: 3 of 5
Find all functions f : R -> R such that f(x2)-f(y2) ≤ (f(x)+y)(x-f(y)) for all x, y ∈ R.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
answerPhil2020-12-18 07:01:35
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