2x and 7x is the answer of the questions
Answer:

Step-by-step explanation:
The oblique asymptote of
,
We perform the long division as shown in the attachment.
The quotient is;

Comparing to 3x+k
Hence the value of k is 
Answer: bottom left
4x+2y+15
Step-by-step explanation:
3x + x=4x
5 + 10= 15
2y=2y
4x+2y+15
Answer:

Step-by-step explanation:





<h3>Hope it is helpful....</h3>