February 2019 1 128 Report

Fie m ∈ ℝ* si functia bijectiva f : ℝ -> ℝ, ce satisface relatia

m^2 f((m^2+1)x)-2mf(x^2+m^2)+1 \leq 0, \quad \forall x \in \mathbb_{R}.

Atunci:

a) $ \ m=2 $ \quad b) $ \ m\in \{-1,1\} \quad c) $ \ m = 10 \\ \\ d) $ \ m\in (-1,1) \setminus \{0\} \quad e) $ \ m\in \mathbb_{R} \backslash $[$-1,1] \quad f) $ \ m\in \mathbb_{R}$^* \backslash \{-1,1\}

Ajutati-ma va rog, este din culegerea pentru admitere la Universitatea Politehnica Timisoara.

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