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

\begin{document}

\begin{tikzpicture}[scale=1.25]
   \tkzInit[xmin=-6,xmax=4,ymin=-5,ymax=6]
   \tkzGrid
   \tkzAxeXY
   \tkzFct[color=red,thick,domain=-6:2.1785]{(-x*x+x+2)*exp(x)}
   \tkzSetUpPoint[size=6]
   \tkzDrawTangentLine[draw,kl=2](0)
   \tkzDefPoint(2,0){b}  \tkzDrawPoint(b)
   \tkzDefPoint(-1,0){c} \tkzDrawPoint(c)
   \tkzText(2,4){($\mathcal{C}$)}
   \tkzText(-2,-3){($\mathcal{T}$)}
\end{tikzpicture}

\end{document} 
