SOLUTION: Hello, this is a tricky one.Find the domain of this function f(x) = SR of 1/2x-1 (square root) Where do I start? Thank you, Paul

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Hello, this is a tricky one.Find the domain of this function f(x) = SR of 1/2x-1 (square root) Where do I start? Thank you, Paul      Log On


   

Question 106823: Hello, this is a tricky one.Find the domain of this function
f(x) = SR of 1/2x-1
(square root)
Where do I start? Thank you, Paul
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=sqrt(1/2x-1)
1/2x-1 can't be less than 0 because square root of a negative number is not a real number.
x must be 2 or greater
x[2,infinity)
Ed