SOLUTION: what is the domain of the function f(x) = 2x/(x^2+1)

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Question 842200: what is the domain of the function f(x) = 2x/(x^2+1)
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
Since for any value of x, either positive or negative, the denominator
will be a positive number, this makes the domain of the function all real
numbers.