Rational Functions

What do the parameters a, h, k, and n do to the graph?
Move the sliders to change the values of [i]a, h, [/i]and [i]k[/i]. Observe the changes on the graph.[br]Change the exponent [i]n[/i] from 1 to 2.[br]Hide or show the asymptotes. [br]How does the graph change if [i]a[/i] is negative?[br]What does each parameter do to the graph?
Lab sheet to accompany Rational Functions Investigation:

Information: Rational Functions