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OpenStudy (anonymous):
domain of f(x)=radical(16-x^2) and g(x)=x^2-16. I simplified the equation and got -x^2. but don't know the domain?
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OpenStudy (anonymous):
The domain is all values possible for x. In this case that would be all real numbers. If it was say 1/x then x would be any number except 0.
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