Using it's concept, the domain of the function is given by:
c. -12 <= x <= 10.
What is the domain of a function?
The domain of a function is the set that contains all possible input values for the function, that is, all the values for which the function is defined. In a graph, the domain is given by the values of x.
For this graph, the function is defined for x between -12 and 10. At x = -6 and x = 6, the definition changes, but due to the presence of a closed circle at these values, the function is also defined there, hence the domain of the function is given by:
c. -12 <= x <= 10.
More can be learned about the domain of a function at https://brainly.com/question/10891721
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