What is the domain of the given function?{(3, –2), (6, 1), (–1, 4), (5, 9), (–4, 0)}

The domain of a function is the set of first coordinates in its ordered pairs. From (3, –2), (6, 1), (–1, 4), (5, 9), and (–4, 0), the first coordinates are 3, 6, –1, 5, and –4. Written in order, these are {–4, –1, 3, 5, 6}, which is choice A.

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