This applet illustrates the general logorithmic function. In this setting you can visualize horizontal (h) and vertical translations (k). Stretch or shrink of curve or reflection across the x-axis is illustrated with the [math]a_o[/math]-slider, with respect to y-axis use [math]a_i[/math]. [br]The value of the base starts at 1 and increments by 0.25, for values between 0 and 1 change the domain button to (0, 1).
This applet can be used by teachers in a demonstration mode in the classroom or teachers can have students load it on their own computers as a worksheet to be completed for a grade.