% !TeX TXS-program:compile = txs:///pdflatex

\documentclass[margin=5mm]{standalone}
\usepackage{ProfLycee}

\begin{document}

\begin{tikzpicture}[x=1cm,y=1cm,xmin=-2,xmax=4,xgrille=1,xgrilles=0.5,ymin=-3,ymax=3,ygrille=1,ygrilles=0.5]
	\GrilleTikz \AxesTikz[ElargirOx=0/0,ElargirOy=0/0]
	\AxexTikz[Police=\small]{-2,-1,...,3} \AxeyTikz[Police=\small]{-3,-2,...,2}
	\clip (\xmin,\ymin) rectangle (\xmax,\ymax) ;
	\draw[samples=250,domain=\xmin:\xmax,very thick,blue] plot (\x,{0.5*\x*\x*\x - 1.5*\x*\x + 1}) ;
\end{tikzpicture}

\end{document}