%
% tkz-euclide (14/01/2011)
%
% Coding (utf8) Creator (TeX) Producer (pdfeTeX) 
% Author Alain Matthes
\input{tkzfctpreamble.ltx}

\begin{document}

  \begin{tikzpicture}
  \tkzTab%
  { $v$      /1,%
    $g'(v)$  /1,%
    $g(v)$   /3%
  }%
  { $b$ ,%
    $3b$ ,%
    $+\infty$%
  }%
  {0,$+$,$0$,$-$,t}
  {-/           $0$    /,%
   +/$\dfrac{8}{27b}$  /,%
   -/  $0$             /}%
  \end{tikzpicture}

\end{document} 
