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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

If f(x) = cases ⁻¹( x) & x > 0 2 & x = 0 ⁻¹( x) & x < 0 cases , then

Options

  1. Ax = 0 is a point of maxima
  2. Bf(x) is continuous x R
  3. Cglobal maximum value of f(x) x R is
  4. Dglobal minimum value of f(x) x R is 0

Correct answer

A. x = 0 is a point of maxima

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