Question

none

Answer 1

divide

Answer 2

divide as in long division
you get
\[\frac{x^2-5x+6}{x+4}=x-9+\frac{42}{x+4}\]so your slant asymptote is
\[y=x-9\]
you can stop when you get to x\
\[x-9\] because the remainder is not important for the asymptote

Answer 3

ok i am leaving now