Question

determine the domain of the following graph:

Explanation:

Step1: Identify domain concept

The domain of a graph is the set of all x - values for which the graph is defined.

Step2: Observe x - values on graph

Looking at the graph, the left - most x - value (excluding the open - circle) is around \(x=-9\) and the right - most x - value (excluding the open - circle) is around \(x = 9\).

Answer:

\(-9