Answer:
The Domain is: 3,2,-1,0.
The Range is: 7,4,2.
Explanation:
The Domain is the first ones in the parentheses (x), and the range is the second ones in the parentheses (y).
The Domain is {3,2-1,0} Range {7,4,2}
It is a function because there is one value of y for every x value.
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