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  • 16-07-2016
  • Mathematics
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what is the inverse of f(X) =9x-8

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Аноним Аноним
  • 16-07-2016
f(x) = 9x-8
y = 9x-8
x = 9y-8
+8     +8
-----------
x+8 = 9y
-----    ----
  9        9
x+8
-----  = y
  9      
x+8
-----  = f^-1 (x) ← Answer
  9    
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