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Introduction to Exponential Functions

This exponential functions introduction explains what an exponential function is and graphing exponential functions using a table of values. We talk about what numbers we are allowed to use as a base for exponential functions and practice plotting points to sketch the graph of a function. In this introduction to exponential functions, we look at patterns of graphs with different bases and introduces the fact that the graphs of exponential functions have horizontal asymptotes. This is a topic commonly found in an algebra or precalculus course. 0:00 Example application of exponents 1:27 Introduction to exponential functions 2:59 Example 1 (Graphing using a table of values) 5:40 Example 2 (Graphing using a table of values) 8:01 Patterns of exponential function graphs 9:46 Horizontal asymptotes