%% 
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 28-02-28 auf Seite 621.
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%%  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
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{352.81416pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks,pst-plot,pst-eucl}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-.5)(2,4)
  \psaxes{->}(0,0)(-2,0)(2,4)
  \psset{linewidth=2\pslinewidth}
  \psplot[linecolor=lightgray]{-2}{2}{x 2 exp}
  \psplot[linecolor=gray]{-2}{2}{x 2 exp neg 3.5 add}
  \psset{PointSymbol=o}
  \pstInterFF{x 2 exp neg 3.5 add}{x 2 exp}{1}{M_1}
  \pstInterFF{x 2 exp neg 3.5 add}{x 2 exp}{-2}{M_0}
\end{pspicture}
\end{document}