Graphing Calculator -> Function Grapher -> Math Functions -> Graphing Rational Functions

Function Grapher has the ability of graphing rational functions. The following figure shows the effect of graphing rational function. The function of the curve in the graph is y=(x^3+x-1)/(x+3).

The following figure shows the effect of graphing rational function. The function of the curve in the graph is y=x+1/x.

Graphing Calculator -> Function Grapher -> Math Functions -> Graphing Rational Functions