%
% tkz-euclide (14/01/2011)
%
% Coding (utf8) Creator (TeX) Producer (pdfeTeX) 
% Author Alain Matthes
\input{tkzfctpreamble.ltx}

\begin{document}

\begin{tikzpicture}
  \tkzInit[xmin=0,xmax=10,
          ymin=0,ymax=1.2,ystep=0.2]
  \tkzGrid
  \tkzAxeXY
  \tkzClip
  \tkzFct[thick,color=red,domain=0.55:10]{(\x*\x+\x-1)/(\x**3)}
  \tkzText(3,-0.3){\textbf{Courbe de} $\mathbf{f}$}
  \tkzDefPointByFct(3)
  \tkzText[above right,text=red](tkzPointResult){${\mathcal{C}}_f$}
\end{tikzpicture}

\end{document} 
