Wait what....? No equal signs or inequalities...?
no for a
yes for B
no for c
that what I think It is opinion could be wrong
A function has a vertical asymptote where it is not defined, and the logarithm is defined only if its argument is strictly positive: it has a vertical asymptote if its argument is zero, and is not defined if its argument is negative.
So, you have a vertical asymptote where

Answer:
(5,1) is the mid point of RS