Check the checkboxes for the functions to appear.[br][br]Slide the sliders to change the values of the transformation variables [i]k, a, h[/i]

Tell me anything and everything you can about the [i]a[/i] variable.[br][br]How does the look of the parabola change as the [i]h[/i] slider moves from left to right? [br]How does the equation of the parabola change as the [i]h[/i] slider moves from left to right?