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

\begin{document}

\begin{tikzpicture}
 \tkzInit[xmin=4,xmax=18,xstep=2,
          ymin=20,ymax=90,ystep=10]
 \tkzFct[domain = 5:18]%
        {(\x-4)*exp(-0.25*\x+5)}
 \tkzGrid(4,20)(18,90)
 \tkzAxeXY
 \tkzGrid[sub,
          subxstep=0.5,
          subystep=2,
          color=brown](6,60)(12,90)
\end{tikzpicture}

\end{document} 
