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Mathematics 8 Online
OpenStudy (anonymous):

Given f is a one-to-one function and f(4)=5, find f^-1(5). wouldn't it be 4?

geerky42 (geerky42):

You are correct.

Elsa213 (elsa213):

I think u but im not sure

Elsa213 (elsa213):

r correct but im not sure*

geerky42 (geerky42):

\(f(a) = b \Longleftrightarrow f^{-1}(b)=a\)

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