SOLUTION: what is the domain of f(x)= square root of 3-x

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Question 434182: what is the domain of f(x)= square root of 3-x
Found 2 solutions by stanbon, htmentor:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what is the domain of f(x)= square root of 3-x
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To get a Real Number result that 3-x must not be negative.
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Solve: 3-x>=0
x <= 3
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Domain: All Real Numbers less than or equal to 3.
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Cheers,
Stan H.

Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+sqrt%283-x%29
The function is defined for all values of x where 3-x+%3E=+0, or, x%3C=3
So the domain of f(x) is (-infinity,3]
The graph is below:
graph%28300%2C300%2C-20%2C20%2C-10%2C10%2Csqrt%283-x%29%29