can someone please help and explain? thank you. will give brainliest

Answer:
Domain: -4 ≤ x ≤ 4
General Formulas and Concepts:
Algebra
Step-by-step explanation:
According to the graph, we see that our x-values span from -4 to 4. Since both are closed dots, they are inclusive in the domain:
[-4, -4] or -4 ≤ x ≤ 4