SOLUTION: given f(3)=7, find f-1(7). the negative one is the exponent.

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Question 210: given f(3)=7, find f-1(7). the negative one is the exponent.
Answer by ichudov(507) About Me  (Show Source):
You can put this solution on YOUR website!
My guess is that f-1(7) is the inverse function and -1 is not an exponent but a sign of inverse function. If so, then f-1(7) = 3.