ricayah ricayah
  • 13-01-2015
  • Mathematics
Answered

if f(x)=9x-8, which of the following is the inverse of f(x)?



Answer :

konrad509
konrad509 konrad509
  • 13-01-2015
[tex]f(x)=9x-8\\ y=9x-8\\ 9x=y+8\\ x=\dfrac{1}{9}y+\dfrac{8}{9}\\ f^{-1}(x)=\dfrac{1}{9}x+\dfrac{8}{9}[/tex]
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