2018-2019/PreStSauveur/TESL/Polynomes_derivation/T2_tlb_varia_sgn.tex

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\documentclass[a4paper,10pt]{article}
\usepackage{myXsim}
\title{Thème B: tableau de signe et de variations}
\tribe{Terminal ES-L}
\date{Septembre 2018}
\renewcommand{\arraystretch}{1}
\begin{document}
\section*{Tableau de signe et de variations}
\hspace{-1cm}
\begin{minipage}{0.5\textwidth}
\begin{tikzpicture}[scale=0.8]
\repere{-5}{5}{-5}{5}
\draw[very thick, color=red] plot [smooth,tension=0.5, mark=*] coordinates{(-4, 4) (-3.5, 2) (-3, 0) (-2, 1) (-1, 0) (0, -2) (1, -3) (2, -2) (2.5,0) (3, 2) (4, 3)};
\draw (4,3) node[above right] {$\mathcal{C}_f$};
\end{tikzpicture}
\end{minipage}
\begin{minipage}{0.5\textwidth}
Tableau de signe
\begin{tikzpicture}
\tkzTabInit[lgt=1,espcl=2]{$x$/1,$f(x)$/1}{-4, -3, -1, 2.5, 4}
\tkzTabLine{,+, z, +, z, -, z, +, }
\end{tikzpicture}
Tableau de variations
\begin{tikzpicture}
\tkzTabInit[lgt=1,espcl=2]{$x$/1,$f(x)$/1}{-4, -3, -2, 1, 4}
\tkzTabVar{+/ 4, -/ 0, +/ 1, -/ -3, +/ 3}
\end{tikzpicture}
\end{minipage}
\end{document}
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