•exponential function⪢⪢
In an exponential function, however, the x value is the exponent itself. An example of an exponential function would be y equals 2 to the exponent x.
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Notice how as x increases, the increase in y itself becomes greater and greater. This is one of the key things _____ exponential functions in that the graph increases at an increasing rate.
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• 40 Evaluating and Graphing Exponential Functions
