SOLUTION: what is the domain of f(x)=x+log(base)3(x-5). not sure if it is x>5 or x>0 of course i could be wrong for both . can someone help.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: what is the domain of f(x)=x+log(base)3(x-5). not sure if it is x>5 or x>0 of course i could be wrong for both . can someone help.      Log On


   

Question 108167: what is the domain of f(x)=x+log(base)3(x-5). not sure if it is x>5 or x>0 of course i could be wrong for both . can someone help.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
No, you're on the right track.
f%28x%29=x%2Blog%283%2C%28x-5%29%29
Then, using the definition of the logarithm function,
%28x-5%29%3E0
x%3E5