%% 
%%  A DANTE-Edition example
%% 
%% 
%%  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}
\AtBeginDocument{%
  \psset{mathLabel=false,labelFontSize=\small}}

\usepackage{pst-plot}

\begin{document}
\begin{pspicture}(-3,-2.2)(3,2.2)
\psaxes(0,0)(-3,-2.2)(3,2.2)
\psplot[algebraic,linewidth=1.4pt,
  plotpoints=201,yMaxValue=2.5]%
  {-3}{3}{1/(x+1)}
\psline[linestyle=dashed]%
  (-1,2.5)(-1,-2.5)
\end{pspicture}
\end{document}