Logarithmic Functions and Inverse

A B Cron
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 -slider, with respect to y-axis use . 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.