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

\begin{document}

\begin{tikzpicture}[scale=1.75]
  \tkzInit[xmin=-3,xmax=6,ymin=-2,ymax=14,ystep=2]
  \tkzDrawX \tkzDrawY
  \tkzFct[line width=2pt,color = red, domain =-3:6]{(-\x-2)*(\x-5)}
  \tkzDrawRiemannSumSup[fill=blue!40,opacity=.5,interval=-1:5,number=10]
  \tkzDrawRiemannSumInf[fill=green!40,opacity=.5,interval=-1:5,number=10]
\end{tikzpicture}

\end{document} 
