Answer:
The domain is [-9, 7]
Step-by-step explanation:
In mathematics, the domain of a function is the set of inputs accepted by the function.
We can represent the domain in interval notation.
a " ( " or " ) " represents a number that is not included. For example, infinity, or if the point is an open circle.
a " [ " or " ] " represents a number that is included. For example -9. is included, and the start of the domain and it is a filled in circle, so it must use a bracket of [.
