samanthapesin1 samanthapesin1

10-04-2017
Mathematics

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Find the inverse of the function f(x) =x^2-5. Is the inverse a function?

Respuesta :

10-04-2017

y=x^2-5, solve for x

y+5=x^2

x=√(y+5) so

f^-1(x)=√(y+5)

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