Respuesta :
Answer:
A. -4 ≤ x ≤ 9
Step-by-step explanation:
Domain is the set of x-values that can be inputted into function f(x).
We see that our x-values span from -4 to 9. Since both are closed dots, they are included in the domain:
[-4, 9] or -4 ≤ x ≤ 9