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Relationship Between Exponential and Logarithmic Functions

This applet graphs two functions, and . Since these two functions have the same base, they are strongly related. As you move the slider marked you can see the two points on the graph move. Notice that the two points are always related by the fact that if you're looking at on , then the point on is the reverse, or . The slider can be moved from -5 to 3 in 0.1 increments.