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Mathematics
OpenStudy (anonymous):
Let f(x) = x2 – 81. Find f–1(x).
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OpenStudy (anonymous):
Is this the same as subtracting 1 to the function f(x)?
OpenStudy (anonymous):
Or maybe you just have to multiply everything in the function by (-1) It's really hard to tell.
jimthompson5910 (jim_thompson5910):
Most likely he wants \[\Large f^{-1}(x)\]
OpenStudy (nali):
do u mean f^-1
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