Decide whether the relation is a function, and give the domain and range.
A. Function; domain: (-?, ?) ; range: (-?, ?)
B. Function; domain: (-?, -1] ; range: (-?, ?)
C. Not a function; domain: (-?, -1] ; range: (-?, ?)
D. Not a function; domain: (-?, ?) ; range: (-?, ?)
Answer: C
Mathematics
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A. - 
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Mathematics