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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Paragraph: **** Let f(x) = ax^2 + bx + c, a 0 , such that f(-1-x) = f(-1+x) x R . Also given that f(x) = 0 has no real roots and 4a + b > 0 . The value of f(-2) + f(0) + f(1) =

Options

  1. A3
  2. B5
  3. C7
  4. D9

Correct answer

D. 9

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