Függvények 2/4 – 9. osztály

Elemek rendezése

• \(i:[-2;\infty[\to\mathbb{R},\) \(i(x)=-(x+2)^2+2\)
• \(g:\mathbb{R}\setminus\{0\}\to\mathbb{R},\) \(g(x)=\left|\dfrac{1}{x}\right|\)
• \(j:[-2;\infty[\to\mathbb{R},\) \(j(x)=-\sqrt{x+2}+2\)
• \(f:[-3;\infty[\to\mathbb{R},\) \(f(x)=\left(\sqrt {x+2}\right)^2\)
• \(h:\mathbb{R}\setminus\{0\}\to\mathbb{R},\) \(h(x)=-\dfrac{1}{\mid x\mid}\)
• \(k:]-\infty;2]\to\mathbb{R},\) \(k(x)=-\sqrt{-x+2}+2\)