Wize High School Algebra II Textbook (Common Core) > Logarithmic Functions
Characteristics of Logarithmic Functions

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Characteristics of Logarithmic Functions
Logarithmic functions can be expressed by:
where ,, and .
Characteristics of Logarithmic Functions
- The graph passes through the point
- There is a vertical asymptote at
- The domain is
- The range is
- The function is increasing and continuous over the interval
Example
The graph of is shown below.
- The graph passes through the point
- There is a vertical asymptote at
- The domain is
- The range is
- The function is increasing and continuous over the interval

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Example: Characteristics of Logarithms
Sketch a graph of .
Practice: Characteristics of Logarithmic Functions
Sketch a graph of .
Practice: Characteristics of Logarithmic Functions
How are the graphs of and related?
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Practice: Characteristics of Logarithmic Functions
Sketch a graph of the function .