Answer:
The simplified form of
is 
Step-by-step explanation:
Given : 
We have to write the simplified form of 
Consider the given expression 
We know 
and 
Thus,

Simplify, we have,

Thus, The simplified form of
is 
Answer: 3/2a3
I can't properly write the answer sorry but it's the last one.
Answer:
No
Step-by-step explanation:
No function, because the same output can't have two different inputs.
Answer:
4d (the variable is usually x, though).
Step-by-step explanation:
Because 4 x the amount of fish in each tank = total amount of fish