%%
%%  Ein Beispiel der DANTE-Edition
%%
%%  7. Auflage
%%
%%  Beispiel 27-02-3 auf Seite 562.
%%
%%  Copyright (C) 2016 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{193.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-func}
%StopShownPreambleCommands
\begin{document}
\psset{yunit=0.3cm,xunit=0.75cm}
\begin{pspicture*}(-2,-5)(4,10)
 \psaxes[Dy=2]{->}(0,0)(-3,-5)(4,10)
 \psset{linewidth=1pt}
 \psPolynomial[markZeros,dotscale=2,%
    coeff=2 -1 -1 .5 -.1 .025,%
    linecolor=cyan]{-2}{4}
 \rput[lb](4,8){\textcolor{blue}{$g(x)$}}
\end{pspicture*}
\end{document}