f(x)= a/x + b , x is real, x does not equal 0, b or -a/b

ff(x) = f^-1(x)

prove that a + b^2 = 0

Would really appreciate a hint!

Thanks

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- Dec 3rd 2012, 09:33 AMkinhew93Proof involving functions
f(x)= a/x + b , x is real, x does not equal 0, b or -a/b

ff(x) = f^-1(x)

prove that a + b^2 = 0

Would really appreciate a hint!

Thanks - Dec 3rd 2012, 02:12 PMskeeterRe: Proof involving functions
please do not double post ...

http://mathhelpforum.com/pre-calculu...functions.html