[size=150]Drag sliders [i]a[/i] and [i]k[/i] to change the parameters of the power function [i]f(x) = k x[sup]a[/sup] [/i]and its graph. Click on the Show Trace button to reveal the family of power functions as you change the value of [i]a[/i] for a given value of [i]k[/i].[/size]