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I don’t understand this one here I need help

I don’t understand this one here I need help
asked 14.8k views
4 votes
I don’t understand this one here I need help

I don’t understand this one here I need help-example-1
asked
User Romanb
by
8.2k points

1 Answer

4 votes

Assuming
f(x)=x^2.


y=x^2\\x=-\sqrt y \vee x=\sqrt y

Since
x\geq0 only
x=\sqrt y is valid.

Therefore


f^(-1)(x)=√(x)

answered
User Hsimah
by
8.5k points
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