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Suppose the domain of f is (-1,1). Define the function j by j(x) = f(1/sqrt(x)). What is the domain of j?

 Feb 21, 2022
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Since f(x) is restricted to values  -1 < x < 1

and the function sqrt(x) further restricts this to the values 0 < x < 1,

the domain of j will be (0, 1).

 Feb 21, 2022

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