MathDB
Find maximum and minimum value

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December 31, 2011
functionalgebra unsolvedalgebra

Problem Statement

Let f:NNf : \mathbb{N} \longrightarrow \mathbb{N} be a function such that (x+y)f(x)x2+f(xy)+110(x + y)f (x) \le x^2 + f (xy) + 110, for all x,yx, y in N\mathbb{N}. Determine the minimum and maximum values of f(23)+f(2011)f (23) + f (2011).