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10-05-2016
Mathematics

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f and f^-1 are functions.
If f(7) = .8, then f^-1(.8) = ?

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Аноним Аноним

18-05-2016

f(7)8 is the same thing as y=8 and x=7. The inverse of the fractions is that you just switch x and y. I think that will help but the answer is 7.
f^-1(.8)= 7

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