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AP EAMCET202120 Aug 2021Morning ShiftMathematicsDifferentiationActual

If f ( x ) = 2 x 2 + 3 x - 5 , then the value of f ' ( 0 ) + 3 f ' ( - 1 ) is equal to

Options

  1. A1
  2. B0
  3. C3
  4. D2

Correct answer

B. 0

Step-by-step solution

f ( x ) = 2 x 2 + 3 x - 5 f ' x = 4 x + 3 f ' 0 = 3 f ' - 1 = - 1 f ' ( 0 ) + 3 f ' ( - 1 ) = 3 + 3 × - 1 = 0

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