Problem 1
Answer: B) 3
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Step-by-step explanation:
The domain is the set x values of a relation
For the relation given, the domain is {-4, -1, 4}. We list all the unique x coordinates. Toss out any duplicates.
The value x = 3 is not in that list.
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Problem 2
Answer: B) Range = {1, 4}
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Step-by-step explanation:
The range is the set of y values of a relation. We only list each unique item once and toss out any duplicate entries.