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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Let f(x) = x^2 - 4x + c x R , where c is a real constant, then which of the following is/are true ?

Options

  1. Af(0) > f(1) > f(2)
  2. Bf(2) > f(3) > f(4)
  3. Cf(1) < f(4) < f(-1)
  4. Df(0) = f(4) > f(3) .

Correct answer

A. f(0) > f(1) > f(2)

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