mac32b mac32b
  • 23-05-2015
  • Mathematics
contestada

Inverse Function:
f-¹ (- 3)
f(x) = 6x - 12

Respuesta :

Panoyin
Panoyin Panoyin
  • 23-05-2015
       f(x) = 6x - 12
          y = 6x - 12
  y + 12 = 6x - 12 + 12
  y + 12 = 6x
      6         6
¹/₆y + 2 = x
          y = ¹/₆x + 2
     f⁻¹(x) = ¹/₆x + 2
    f⁻¹(-3) = ¹/₆(-3) + 2
    f⁻¹(-3) = -¹/₂ + 2
    f⁻¹(-3) = 1¹/₂
(x, f⁻¹(x)) = (-3, 1¹/₂)
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