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\title{Fonction cube, cours, 2nde}


\author{F.Gaudon}



\begin{document}
\pagestyle{fancy}
\fancyhead[L]{}
\fancyhead[R]{\textit{\small Fonction cube}}
\fancyfoot[R]{\includegraphics[width=2cm]{88x31.png}}
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\fancyfoot[L]{\textit{\color{black}\url{http://mathsfg.net.free.fr}}}

\begin{center}
\Large{\textbf{Fonction cube, cours, 2nde}}
\end{center}



\begin{encadrer}{Définition}
 On appelle fonction \emphref{cube} la fonction définie sur .................... par $x\mapsto  x^3$.
\end{encadrer}





\begin{sanscadre}{Représentation graphique}
\begin{center}
\includegraphics[width=9cm]{fonctionCubeGraphiqueVide.png}
\end{center}
\end{sanscadre}


\begin{sanscadre}{Remarque}
Pour tout réel $x$, $f(-x)=-f(x)$. La fonction est dite ........................ Sa représentation graphique dans un repère orthogonal $(O;\vec{i};\vec{j})$ est ......................... ...................... ....................
\end{sanscadre}

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%\begin{sanscadre}{Variations}
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%$x$ &amp; $-\infty$ &amp; &amp; ... &amp; &amp; $+\infty$ \\
%\hline
% &amp; &amp; &amp; &amp; &amp;  ...\\
%$x^3$ &amp; &amp; &amp; &amp; ............ &amp; \\
%  &amp; ... &amp; &amp; &amp; &amp; \\
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%$x$ &amp;  $-\infty$ &amp; &amp; &amp; &amp; $+\infty$ \\
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%$x^3$ &amp;  &amp; .... &amp; .... &amp; ..... &amp;\\
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\begin{tabular}{cc}
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\hline
\textbf{Variations :} 

La fonction cube est ................................. sur .................. .\\
\hline
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&amp;
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$x$ &amp;  $-\infty$ &amp; &amp; &amp; &amp; $+\infty$ \\
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$x^3$ &amp;  &amp; .... &amp; .... &amp; ..... &amp;\\
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\end{document}
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