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Answer:
Step-by-step explanation:
You want the domain and range of the relation in the given table.
In a table of x- and y-values, you can replace the headings with ...
x ⇒ Domain
y ⇒ Range
The domain is the set of first values of a list of (x, y) ordered pairs. We usually like to see sets listed in order with duplicates eliminated. (If there are any duplicate x-values, the relation is not a function. This relation is a function.)
domain: {-5, -2, 1, 5, 7}
The range is the set of second values of a list of (x, y) ordered pairs. We usually like to see sets listed in order with duplicates eliminated.
range: {4, 10, 11, 15}