Answer:
The answer to your question is below
Step-by-step explanation:
Domain of a function is the complete set of possible values of "x".
In a radical function, domain must be ≥ 0.
Exercise
f(x) =
Then
x + 4 ≥ 0
x ≥ -4
Domain is x ≥ -4 or [-4 , ∞)