%Choix
verbatimtex
%&latex
\documentclass{article}
\usepackage[latin1]{inputenc}
\usepackage{fourier}
\usepackage[frenchb]{babel}
\begin{document}
etex
%
input courbescp13;

beginfig(1);
  cadre((0,0),(19,12));
  draw millimetrepourcourbe withcolor orange;
  origine((1,1));
  unites(0.5,2/15);
  draw axes;
  graduationx(btex 2 etex,1);
  graduationy(btex 7,5\texteuro etex,7.5);
  legendex(btex Matches etex);
  legendey(btex Prix (\texteuro) etex);
  draw courbe1(0,40,100,3*x);
  draw courbe2(0,40,100,15+2.1*x);
  draw courbe3(0,40,100,37.5+1.2*x);
  draw courbe4(0,40,100,75);
endfig;
end