%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-02-28 on page 578.
%% 
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-plot,pst-eucl}

\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}
