Afm help: what are domain & range of this relation?

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needhel

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Sep 7, 2012
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what are the domain and the range of the relation {(-2,-3) (-2,3), (4,7), (2,-8)}? Is the relation a function? Explain.
 
needhel said:
what are the domain and the range of the relation {(-2,-3) (-2,3), (4,7), (2,-8)}? Is the relation a function? Explain.
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In this problem you are dealing with discrete function.

Please tell us:

What is the "vertical line test" of a function?

What is the definition of domain of a function?

What is the definition of range of a function?

Please share your work with us, indicating exactly where you are stuck - so that we may know where to begin to help you.
 
Please start with answering the questions I have posed for you. Those will give you a starting point.
 
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