%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2008 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{166.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-func}
\StopShownPreambleCommands
\begin{document}
\psset{yunit=0.3cm,xunit=0.7cm}
\begin{pspicture*}(-2,-5)(4,10)
  \psaxes[Dy=2]{->}(0,0)(-3,-5)(5,10)
  \psset{linewidth=1pt,dotstyle=x}
  \psPolynomial[zeroLineTo=1,markZeros,
     dotscale=2,coeff=2 -1 -1 .5 -.1 .025,
     linecolor=blue]{-2}{4}
  \psPolynomial[dotscale=2,Derivation=1,
     coeff=2 -1 -1 .5 -.1 .025,
     linecolor=red]{-2}{4}
  \rput[lb](4,8){\textcolor{blue}{$g(x)$}}
\end{pspicture*}
\end{document}