What is the range of the function {(4, 2), (-2, 4), (-1, 3), (2, 4)}? :confused:

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Originally Posted by Javi22

what is the range of the function {(4, 2), (-2, 4), (-1, 3), (2, 4)}? :confused:

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This list of points, being a relationship between certain x's and certain y's, is a relation. The domain is all the x-values, and the range is all the y-values. You list the values without duplication:

In the above points given, keep in mind (x, y).

So, the range is {2, 4, 3}

We do not need to repeat numbers when finding the range.