Question

What is the domain of f?

Answer 1

Answer: C

Explanation:

The domain is all real values of x such that x is less than or equal to zero.

If x is greater than zero then all the positive numbers will make the number in the square root negative and that will become an imaginary number.

If x is zero then the number in the number will be 0 and find the square root of 0 is possible.

Answer 2

I hope C

Explanation:

if I'm wrong please let me know