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Find the domain and range of the following real function: $f(x) = \sqrt{9-x^2}$

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Domain of f(x) is {x : –3 ≤ x ≤ 3} or [–3, 3], Range of f(x) is {x: 0 ≤ x ≤ 3} or [0, 3].
answered Jun 27, 2014