Rebecca L.

asked • 09/19/16

list the domain and range of these (-5,-7)(8, 7)(8,-9)(-4, 9)(9, 0)

Find range and domain?

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Gabrielle R. answered • 09/19/16

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Look at the x and y values of the ordered pairs. What is the lowest x value.
 
This would -5.
 
The highest x value is 9.
 
Therefore your domain is [-5,9]
 
Now for the range. The lowest y value is -9.
The highest is 9.
 
Therefore, your range is [-9,9].
 
I am available for tutoring sessions if you are interested.
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Mark M.

Your information is so contrary to accepted definition of domain and range of a relation.
Domain is the set of all first (input) numbers. In this case domain = {-5, -4, 8, 9}
Range is the set of all second (outpu) number. In this case range = {-9, -7, 0, 7, 9}
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09/19/16

Gabrielle R.

That's the form I was taught to write it in. I apologize.
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09/19/16

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