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Black Book Advanced Problems in MathematicsMathematicsFunctions

If f : (- , 2] (- , 4] , where f(x) = x(4-x) , then f⁻¹(x) is given by :

Options

  1. A2 - 4-x
  2. B2 + 4-x
  3. C-2 + 4-x
  4. D-2 - 4-x

Correct answer

A. 2 - 4-x

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