Asked about: Domain and Range

How do you find the domain of a graph?


Dr. Aaron Smith, Ph.D. in Educational Leadership, Currently Program Director at Aviation Academy, Co-Author of Awakening Your STEM School

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The Domain is simply the X-coordinate of a graph and the range is the Y-coordinate of the graph. So when you are looking at a point on a Cartesian graph, just remember that (x,y) = (Domain, Range)

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