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Asked by edward

What is the domain of the functions f(x)= 1/root(x+|x|) f(x)= x|x|
13 years ago

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Answered by Steve
√(x+|x|) = 0 when x <= 0
so, domain of 1/√(x+|x|) is all reals > 0

domain of x|x| is all reals
13 years ago
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What is the domain of the functions f(x)= 1/root(x+|x|) f(x)= x|x|

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