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

\begin{document}

 \begin{tikzpicture}[scale=2.75]
     \tkzInit[xmin=-2,xmax=3,ymax=3]
     \tkzGrid[color=orange](-2,0)(3,3)
     \tkzAxeX
     \tkzAxeY
     \tkzFct[color = red ,domain = -1:2]{(((x+1)*x)*x)**0.5}
     \tkzDrawTangentLine(0)
     \tkzText[draw,color = red,fill = orange!20](2,1){$f(x)=\sqrt{x^3+x^2}$}
 \end{tikzpicture}

\end{document} 
