// préambule asymptote usepackage("amsmath,amssymb"); usepackage("inputenc","utf8"); usepackage("icomma"); import lib_jl; unitsize(0.5cm,0.125cm); xlimits(-3,6); ylimits(-20,20); xaxis(BottomTop,xmin=-3,xmax=6,Ticks("%",extend=true,Step=1),p=linewidth(1pt)+gray(.8)+dotted); yaxis(LeftRight,ymin=-20,ymax=20,Ticks("%",extend=true,Step=1),p=linewidth(1pt)+gray(.8)+dotted); real F(real x) {return 2/(x-3)+5;} draw(graph(F,-4,2.999999,n=400),linewidth(1.5pt)+black+solid); real G(real x) {return 2/(x-3)+5;} draw(graph(G,3.000001,6,n=400),linewidth(1.5pt)+black+solid); point pA=(3,-10), pB=(3,10); draw(line(pA,pB),linewidth(1.5pt)+red+dashed); label(rotate(90)*"$\boldsymbol{x=3}$", (3,-10)+.5, fontsize(8pt)+red); point pA=(-3,5), pB=(3,5); draw(line(pA,pB),linewidth(1.5pt)+heavygreen+dashed); label("$\boldsymbol{y=5}$", (-2,6), fontsize(8pt)+heavygreen); xlimits(-3,6,Crop); ylimits(-20,20,Crop); xaxis(axis=YEquals(0),xmin=-3,xmax=6,Ticks(scale(.4)*Label(),beginlabel=true,endlabel=true,begin=true,end=true,NoZero,Step=1,Size=1mm),p=linewidth(1pt)+black,Arrow(2mm),true); yaxis(axis=XEquals(0),ymin=-20,ymax=20,Ticks(scale(.4)*Label(),beginlabel=true,endlabel=true,begin=true,end=true,NoZero,Step=10,Size=1mm),p=linewidth(1pt)+black,Arrow(2mm),true); shipout(bbox(0.1cm,0.1cm,white));