SOLUTION: help please. thank you f(x)=x+8/(x+8)(x-9) , What is the domain of the real-valued function f(x)? copy & paste the link below (to see the answer choices). http://prntscr.c

Algebra ->  Real-numbers -> SOLUTION: help please. thank you f(x)=x+8/(x+8)(x-9) , What is the domain of the real-valued function f(x)? copy & paste the link below (to see the answer choices). http://prntscr.c      Log On


   

Question 994831: help please. thank you
f(x)=x+8/(x+8)(x-9) , What is the domain of the real-valued function f(x)?
copy & paste the link below (to see the answer choices).
http://prntscr.com/8olvv4
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
There is an asymptote at x = 9, and x = -8 makes f(x) undefined.

The domain of f(x) is anything that isn't x = -8 or x = 9. You can write this as (-infinity, -8) and (-8, 9) and (9, infinity).