What are the removable and non-removable discontinuities, if any, of #f(x)=abs(x-9)/ (x-9)#?
1 Answer
Jan 10, 2016
There's a non-removable discontinuity in
Explanation:
Since we can't divide by
It might look it's removable because the numerator has
But, if you look at what happens before and after
For
For
So the graph still has a discontinuity, because the limit at