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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?

 May 27, 2021
 #1
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[0, 81]

x^2 can't be negative, so the lowest value is 0, 0^2. 

The highest  x^2 can be is 81, 9^2. 

 

=^._.^=

 May 27, 2021

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