SOLUTION: how do i find the domain of f(x)=2-ln(7x)? and the domain of f(x)=log(4)(x-4)^2? I am struggling with these....typical for someone out of math for 25 years.

Question 366460: how do i find the domain of f(x)=2-ln(7x)?
and the domain of f(x)=log(4)(x-4)^2?
I am struggling with these....typical for someone out of math for 25 years.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
For the first function must make sure that 7x >0, or x>0 (after dividing both sides of the inequality by 7).
For the second function, . This is just the set of all real numbers except x = 4.
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