import graph;
size(200,200,IgnoreAspect);
real f(real t) {return 1/t;}
scale(Log,Log);
draw(graph(f,0.1,10));
//limits((1,0.1),(10,0.5),Crop);
dot(Label("(3,5)",align=S),Scale((3,5)));
xaxis("$x$",BottomTop,LeftTicks);
yaxis("$y$",LeftRight,RightTicks);