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The domain of the function f(x)=(2x-60)^(1/2) consists of one or more of the following intervals: (-8,A] and [A,8).

Find A?
 
For each interval, answer YES or NO to whether the interval is included in the solution. (-infinity, A) (A, infinity)

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Robert J. | Certified High School AP Calculus and Physics TeacherCertified High School AP Calculus and Ph...
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Domain requirement: 2x-60 ≥ 0
x ≥ 30
Answer: [30, ∞)

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Answer: [30, ∞]