Answer:
It is A.
Step-by-step explanation:
also, this is one question. A, B, C and D are just answers.
Hello, please consider the following.

Let me know if you need further explanation.
Thank you
Answer:
A True
Step-by-step explanation:
tell me if I'm worng
Answer:
No
Step-by-step explanation:
No function, because the same output can't have two different inputs.
Answer:
3i
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
and
= i
Given

= 
=
×
× 
= 3 ×
× i
= 3i