Answer: 13/8 or 1.625
Step-by-step explanation:
I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:

Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
Answer: 2
Step-by-step explanation:
Answer:
no clue
Step-by-step explanation:
i would help u if I new what it was