7.2.4 Curve Fitting With Exponential and Logarithmic Models Key Objectives
• Model data by using exponential and logarithmic functions. • Use exponential and logarithmic models to analyze and predict. Key Terms
• Exponential regression is a statistical method used to fit an exponential model to a given data set. • Logarithmic regression is a statistical method used to fit a logarithmic model to a given data set. Example 1 Identifying Exponential Data Data in a table is exponential if the ratio of each y -value to the preceding y -value is constant for equally spaces x -values. Data that is exponential can be fit by an exponential function of the form f ( x ) = ab x .
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