SOLUTION: Would like some help with a domain function please. Thanks. I have a hard time with this log question that isn't a base 10 and it's a domain question. Find the Domain of the fu

Algebra ->  Functions -> SOLUTION: Would like some help with a domain function please. Thanks. I have a hard time with this log question that isn't a base 10 and it's a domain question. Find the Domain of the fu      Log On


   



Question 853336: Would like some help with a domain function please. Thanks. I have a hard time with this log question that isn't a base 10 and it's a domain question.
Find the Domain of the function. f(x)=log_4 (x-4)^2

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
we know that log of a negative number is not defined, therefore
(x-4)^2 > 0
take square root of both sides of >
x-4 > 0
x > 4
therefore the domain is all x > 4