What is the inverse function of f(x)=x^2?

William Burnett 2021-12-16 Answered
What is the inverse function of f(x)=x2?
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einfachmoipf
Answered 2021-12-17 Author has 32 answers
Hence f(x)=x2y=x2y=x2y=|x|x=±y

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Wendy Boykin
Answered 2021-12-18 Author has 35 answers
Explanation:
If we try to solve y=x2 for x we do not get a single value.That means we do not get a function.
We get x=±y
In order to be invertible a function must be one-to-one.
That means that we must have:
for every x1x2, we have f(1)=f(1) (for example), so there is no inverse function.

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