What are the critical points of #f(x) =(x^2-4x+5)/(x-3)#?
The critical numbers are
# = (x^2-6x+7)/(x-3)^2#
So, the critical numbers for
There appears to be some variability in the use of the term "critical point".
I use it to mean a point in the domain of a function at which the derivative is
Some people seem to use it to mean a point on the graph of a function at which the derivative is