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Mathematics 25 Online
OpenStudy (anonymous):

How would you determine the domain and range of this graph? :

OpenStudy (anonymous):

OpenStudy (anonymous):

the arrows seem to indicate that it keeps going, so domain would be all real numbers

Directrix (directrix):

Look along the x-axis. Are any values of x not showing a corresponding y on the graph? Look along the y-axis. Are any values of y not showing a corresponding x on the graph? The domain is then the set of Reals. The range is also the set of Reals.

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