Madalina094ask
a fost răspuns

FUNCTIA F(X)=[tex] \frac{x}{3} +1[/tex]
AFLATI X ASTFEL INCAT F(X)[tex] \leq X[/tex]

Răspuns :

Razvanw0wask
[tex]\dfrac{x}{3}+1 \leq x |\cdot 3\\ x+3 \leq 3x\\ 3 \leq 2x\\ x \geq \dfrac{3}{2} \Rightarrow x \in [\dfrac{3}{2},\infty) , x \in \mathbb{R}[/tex]

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