Answer:
c. D = x , R = y
Explanation:
The domain is the horizontal extent of the graph. The range is its vertical extent.
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We observe that point (-3, 0) is a point on the graph, so x=-3 is included in the domain, and y=0 is included in the range. The only answer choice that has the "or equal to" case included for both x and y is ...
D = x , R = y