SOLUTION: what does it mean when a questions say "what value should be excluded from the domain of the function"?

Algebra ->  Rational-functions -> SOLUTION: what does it mean when a questions say "what value should be excluded from the domain of the function"?      Log On


   

Question 412149: what does it mean when a questions say "what value should be excluded from the domain of the function"?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You can NEVER divide by zero. Ever. So we CANNOT do something like 1%2F0 because it is undefined.


So if you have the rational expression 1%2Fx, then we must exclude x=0 from the domain because we CANNOT divide by zero.


If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim