The answers are:
1) 
2) 
3) 
The explanation for this answer is shown below.
1. To solve this problem you must apply the following proccedure:
2. You have the function 
3. You must switch
and
and then solve for
:

4. Finally, you obtain:

D. Last Answer is the correct answer to your question
2y/(y²-8y+5) - 1/(y-5)=
2y/(y-5)(y-3) - 1/(y-5)=
Least common multiple=(y-5)(y-3)
2y-1(y-3) / (y-5)(y-3)=
2y-y+3 / (y-5)(y-3)=
y+3 / (y-5)/y-3)
Answer : (y+3) / (y-5)(y-3).
you did right, congratulations!!.
Answer:
Это очень сложно но я говорю это 43168237978236472363429864236243616416891628438621348642198423864326742319743217828689642318794328643286468643267436436438643264366423674236742387423874236
I also speak English but that's no fun
Answer:
Not a function but a relation
Step-by-step explanation:
It is not a function because 10 is matched with both 4 and 20.