SOLUTION: Find the domain of the function: f(x)=sqrt(9-x^2) Thanks.

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Question 371765: Find the domain of the function: f(x)=sqrt(9-x^2)
Thanks.
Found 2 solutions by robertb, edjones:
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
it should be that 9+-+x%5E2%3E=0, or 9%3E+=+x%5E2, or the interval [-3,3].

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
domain is [-3, +3] because square root of a negative number is not allowed here.
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Ed