[tex3]f(x)=\begin{cases}
x^2,&\text{para }x \in \mathbb{Z} \\
x+1/2x,&\text{para } x \in \mathbb{Q-Z} \\
x-1,&\text{para } x \notin \mathbb{Q} \\
\end{cases}
[/tex3]
01) [tex3]-2[/tex3]
02) [tex3]18[/tex3]
03) [tex3]3\cdot \(\sqrt{3}+1\)[/tex3]
04) [tex3]\frac{9}{2}\cdot \(\sqrt{3}+1\)[/tex3]
05) [tex3]\frac{8}{15}\cdot \(\sqrt{3}+1\)[/tex3]
03