SOLUTION: if {{{f(x)=1/sqrt(2x-4)}}} the domain of f(x) is?

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: if {{{f(x)=1/sqrt(2x-4)}}} the domain of f(x) is?      Log On


   



Question 23090: if f%28x%29=1%2Fsqrt%282x-4%29 the domain of f(x) is?
Answer by stanbon!(97) About Me  (Show Source):
You can put this solution on YOUR website!
Since 2x-4 cannot be zero or negative proceed as follows:
2x-4<=0
2x<=4
x<=2
These are the values the x cannot take.
So the domain is all real numbers that are not <=2.
Another way to say that is all real numbers that are >2.
Cheers,
Stan H.