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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?

 Jul 17, 2020
edited by Guest  Jul 17, 2020
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The domain of g(x) is [-1,1], so its width is 2.

 Jul 18, 2020

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