Answer:
i think c and e are the answers pls mark me
Step-by-step explanation:
Since

the domain of f(x) is the set of non-negative integers, because we can't feed a square root with negative inputs. So, you couldn't comput f(-9)
Unless you're allowed to use complex numbers, in that case we have

Which evaluates to

The last one, D because it is x+2, which is -2
Answer:
10
Step-by-step explanation: