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OpenStudy (anonymous):
Need help with Calculus review question: The domain of the function f(x) = √(−2 x − 39) consists of one or more of the following intervals: (−∞, A] and [A, ∞). Find A = ? For each interval, answer YES or NO to whether the interval is included in the domain. (−∞, A] = Y/N [A,∞) = Y/N
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OpenStudy (turingtest):
when is\[\sqrt x\]not a real number?
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