Question 207802
Denominators MUST NEVER EQUAL 0, so 
x-1 must not equal 0
x cannot equal 1.

By the way, on my website, I now have two videos explaining Functions, Domain, and Range.  If you click on my tutor name "Rapaljer" anywhere in algebra.com, look for the link on my homepage "Rapalje Videos", and select either "Intermediate Algebra" or "College Algebra".


R^2

Dr. Robert J. Rapalje
Seminole State College
Altamonte Springs, FL