queenb6 queenb6
  • 23-01-2017
  • Mathematics
contestada

inverse functions


f (x) = -3x +2 find f -1 (7)

Respuesta :

wizard123
wizard123 wizard123
  • 23-01-2017
[tex]y = f(x) \\ \\ x = f^{-1} (y)[/tex]

Therefore, set y = 7
[tex]y = -3x+2 = 7[/tex]

Solve for x
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