3.05: Compare Models

Which description compares the domains of Function A and Function B correctly?

Function A: f(x)=(−x)−−−−√

Function B:

The domain of Function A is the set of real numbers greater than 0.

The domain of Function B is the set of real numbers greater than or equal to 0.

The domain of both functions is the set of real numbers less than or equal to 0.

The domain of Function A is the set of real numbers greater than 0.

The domain of Function B is the set of real numbers less than or equal to 0.

The domain of both functions is the set of real numbers greater than or equal to 0.