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Black Book Advanced Problems in MathematicsMathematicsFunctions

Let f(x) be defined as f(x) = cases |x| & 0 x < 1 |x - 1| + |x - 2| & 1 x < 2 |x - 3| & 2 x < 3 cases The range of function g(x) = ( f(x)) is :

Options

  1. A[0, 1]
  2. B[-1, 0]
  3. C[ - 1 2 , 1 2 ]
  4. D[-1, 1]

Correct answer

D. [-1, 1]

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