SOLUTION: what is the domain of f(x)= the square root of (x-4) over the set of real numbers?

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Question 523233: what is the domain of f(x)= the square root of (x-4) over the set of real numbers?
Answer by lwsshak3(11628) About Me  (Show Source):
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what is the domain of f(x)= the square root of (x-4) over the set of real numbers?
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Two restrictions apply to the domain: the √(x-4) and the denominator.
Since there are no variables in the denominator, the only restriction is in the radican:
x-4≥0
domain: x≥4
In other words, the radican cannot be negative