Decide whether the relation is a function, and give the domain and range.

A. Function; domain: (-?, 0) ? (0, ?); range: (-?, ?)
B. Not a function; domain: (-?, ?); range: (-?, ?)
C. Not a function; domain: (-?, 0) ? (0, ?); range: (-?, ?)
D. Function; domain: (-?, ?); range: (-?, ?)


Answer: D

Mathematics

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