import graph;

size(7.5cm,0);

path courbe=(.5,2){dir(-30)}..{0}(2.5,-2)..{dir(30)}(5,3);
draw(courbe,red);

real minx=-2,maxx=5.5,miny=-3.5,maxy=4.5;

xlimits(min=minx,max=maxx);

yaxis("$y$",LeftRight(),
            ymin=miny,ymax=maxy,red,
            Ticks(Step=1));

xaxis(Bottom(),
      xmin=minx,xmax=maxx,blue,
      Ticks(Step=2),
      Arrow);

shipout(bbox(2mm,Fill(white)));