The domain is the set of all numbers between the left parenthesis and the comma: {6, -8, 4, 3}
The range is the set of all numbers between the comma and the right parenthesis: {-5, -4, 3, 4}
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The order of the numbers in the set does not matter. Conventionally, they are sorted smallest to largest just to make set operations easier. Here, I have left them in the order in which the relation is defined.