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

\documentclass[margin=5mm]{standalone}
\usepackage[nonpgfplots]{tkz-grapheur}

\begin{document}

\begin{GraphiqueTikz}[x=2cm,y=1cm,Xmin=0,Xmax=5.5,Xgrille=0.5,Ymin=-5,Ymax=5.5,Xgrilles=0.1,Ygrille=1,Ygrilles=0.2]
		\TracerAxesGrilles{0.5,1,...,5}{-5,-4,...,5}
		\TracerCourbe[Couleur=red]{(4*x-2)*exp(-x+1)}
	\TracerCourbe[Couleur=blue]{(-4*2.5+6)*exp(-2.5+1)*(x-2.5)+(4*2.5-2)*exp(-2.5+1)}
	\DefinirPts{A/{2.5}/{(4*2.5-2)*exp(-2.5+1)}}
	\draw[darkgray] (A) node[above right] {$A$} ;
	\draw[red] (0.5,-3) node[font=\large] {$\mathcal{C}$} ;
	\draw[blue] (0.5,4) node[font=\large] {$T$} ;
\end{GraphiqueTikz}

\end{document}