Question

What is the domain of the square root function graphed below?

Answer 1

Answer:

option A. is correct.

Step-by-step explanation:

Answer 2

Since x is never less than -4 but is equal to it at one point and is less than 0 in some points, the only possible answer and the correct answer is x ≥ -4.
So the domain to this graph is x ≥ -4.