Answer:
Option A. is the correct option.
Explanation:
In this question the given function is

We have to find the continuity of the given function
If we rewrite the function in the factorial form


Now we take the denominator of the function
(x + 9) = 0
x = -9
and (x -1) = 0
x = 1
So for x = -9 and x = 0 the function becomes undefined.
Therefore function is continuous for every real number except x = -9 and x = 1.
Option a is the answer.