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Exponential and Logarithm Functions

Exponential functions and logarithm functions are important in both theory and practice. This unit looks at the graphs of exponential and logarithm functions and see how they are related.After reading this text you should be able to: specify for which values of a the exponential function f(x) = ax may be defined; recognize the domain and range of an exponential function; identify a particular point which is on the graph of every exponential function; specify for which values of a the logarithm function f(x) = loga x may be defined; recognize the domain and range of a logarithm function; identify a particular point which is on the graph of every logarithm function; understand the relationship between the exponential function f(x) = ex and the natural logarithm function f(x) = ln x.

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