4w-12=6w-36+14
4w-12=6w-22
10=2w
5=w
(I think)
Answer:
Your answer would be D, the equation is a function because it is a polynomial and all polynomials are functions.
Step-by-step explanation:
I like to remember that polynomials have no negative , fraction exponents and no division. In this case everything is positive so I knew it was a polynomial , and like the answer says all polynomials are functions !
Hope this helped
looks very OP mate very good
Answer:
D. 
Step-by-step explanation:

Simply subtract the two functions from each other and simplify to get the result.
Answer:
C.
Step-by-step explanation: