Functie injectiva

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Al3xx
Euclid
Posts: 35
Joined: Fri Nov 07, 2008 10:39 pm
Location: Slatina

Functie injectiva

Post by Al3xx »

Exista functii injective \( f:R \rightarrow R \), astfel incat:

\( 3f^3(x^5-x^4+x^3) - f^2(x^5-x^4+x^3) \ge f^4(x)+4,\forall x \in R \)?
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Marius Mainea
Gauss
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Joined: Mon May 26, 2008 2:12 pm
Location: Gaesti (Dambovita)

Post by Marius Mainea »

Nu. (\( f(0)=f(1)=2 \))
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