Introduction to Exponential Functions

Videos, worksheets, games and acivities to help PreCalculus students learn about exponential functions.



Exponential Functions :
We often encounter exponential functions in science and mathematics. Exponential functions have a unique set of characteristics and asymptotic behavior that make their graphs recognizable. It is important to be able to recognize the graphs of exponential functions, the graphs of their inverses (logarithmic functions) and to know properties that help us solve equations with exponents and logs.

Graph Exponential Functions



Graphing Exponential Functions



Exponential Functions Introduction
The video introduces exponential functions by contrasting them to linear and quadratic functions. It shows growth and decline functions--giving examples in nature. Examples shown are in population growth, half life, and musical tones.



Properties of The Exponential Function

Which statement about the graph of f(x) = 2x is true? 
A. The domain is all real numbers except x = 0.
B. The y-intercept is (0,1) 
C. The function is always decreasing 
D. The function is not one-to-one 
E. None of the above




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