if f(x) is a function whose domain is [-1, 9], and g(x) = f(x)^2, then the domain of g(x) is an interval of what width?
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\(f(x) =|\ \sqrt{25-(x-4)^2}\ |\) domain is [-1, 9]
\(g(x) =|\sqrt{25-(x-4)^2}\ |^2\) domain is [-1, 9]
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