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Black Book Advanced Problems in MathematicsMathematicsFunctions

If f(x) = cases x^3 & ; x Q -x^3 & ; x Q cases , then :

Options

  1. Af(x) is periodic
  2. Bf(x) is many-one
  3. Cf(x) is one-one
  4. Drange of the function is R

Correct answer

C. f(x) is one-one

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