SOLUTION: Use interval notation to indicate the domain of f(x). How do I calculate the domain of this function? The equation is {{{f(x) = root(4,x^2-8x)}}}

Algebra ->  Functions -> SOLUTION: Use interval notation to indicate the domain of f(x). How do I calculate the domain of this function? The equation is {{{f(x) = root(4,x^2-8x)}}}       Log On


   



Question 784617: Use interval notation to indicate the domain of f(x). How do I calculate the domain of this function? The equation is f%28x%29+=+root%284%2Cx%5E2-8x%29
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


The radicand of all even-indexed radicals must be non-negative, so:



So AND , which means , hence [)


John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism