Logarithmic Functions and Inverse
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.