lrnegrita8 lrnegrita8

23-08-2018
Mathematics

contestada

HELP PLEASE
f(x) = √x-5
find f -1

Respuesta :

konrad509 konrad509

23-08-2018

[tex] f(x)=\sqrt x -5\\
x\geq 0\\\\
y=\sqrt x -5\\
\sqrt x=y+5\\
x=(y+5)^2\\\\
f^{-1}(x)=(x+5)^2
[/tex]

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