Domain and Range

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Domain and Range
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Definitions
Domain All possible input values (usually x), which allows the function to work.
Range All possible output values (usually y), which result from using the function.
The domain and range help determine the window of
a graph.
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Example 1
Domain
Domain
Domain
Range
Range
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Example 2
State the domain and range of the following three
functions
Domain
Domain
Domain
Range
Range
Range
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Example 3
Horizontal Asymptote (x 2)
Vertical Asymptote (x-axis)
Domain
Range
x-intercept
y-intercept
x -6 -1 0 1 1.5 1.75 1.9 1.99 2 2.01 2.1 2.25 2.5 3 4 5 10
y -.125 -.33 -.5 -1 -2 -4 -10 -100 ? 100 10 4 2 1 .5 .33 .125