Nation75 Nation75

24-09-2015
Mathematics

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What is the inverse for this linear function f(x)=-2x+4?

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Panoyin Panoyin

24-09-2015

   f(x) = -2x + 4
      y = -2x + 4
      x = -2y + 4
   x - 4 = 2y
    2    2
¹/₂x - 2 = y
¹/₂x - 2 = f⁻¹(x)

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