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The domain of the function h(x) = sqrt(25 - x^2) + sqrt(x + 25) is an interval of what width?

 Sep 7, 2021
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sqrt(25 - x^2)    <====== this term limits the domain....it must be positive (or zero)

                                 so the domain is   [-5,5]         width = 10

 Sep 7, 2021

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