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Black Book Advanced Problems in MathematicsMathematicsFunctions

If the range of the function f(x) = ⁻¹(3x^2 + bx + c) is [ 0, 2 ) ; (domain is R ), then :

Options

  1. Ab^2 = 3c
  2. Bb^2 = 4c
  3. Cb^2 = 12c
  4. Db^2 = 8c

Correct answer

C. b^2 = 12c

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