Answer:
[-5, 7]
Explanation:
You want the domain of the function shown in the graph.
Domain
The domain is the horizontal extent of the graph. This graph has an end dot on the left at x=-5, and one on the right at x=7.
The domain is the interval [-5, 7].
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Additional comment
As an inequality, that is -5 ≤ x ≤ 7.
If the graph had an arrow on either end, that would signify the domain extends to infinity in that direction.
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