Warning2: seems like netscape has some problems with the screenshots (.png) below. It replaces the black by a gray-blue :(?? So just imagine the picture with black instead of this strange blue...
range: from (-1, -1) to (2.5, 2.5) plot y
0 xplot x<2
range: from (-2.75, -2.75) to (4.25, 4.25) plot y=inv(x) plot y=1+x^3+-x fpoint A at 3^(-inv(2)) tangent 3^(-inv(2))
The same in (Encapsulated) PostScript (via export):
range: from (-5, -1) to (10, 2.4) plot y=0.1 plot y=0.2 plot y=0.3 plot y=0.4 plot y=0.5 plot y=0.6 plot y=0.7 plot y=0.8 plot y=0.9 plot y=1 plot y=1.1 plot y=1.2 plot y=1.3 plot y=1.4 plot y=1.5 plot y=1.6 plot y=1.7 plot y=1.8 plot y=1.9