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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

The tangent to the curve y = e^ kx at a point (0, 1) meets the x-axis at (a, 0) where a [-2, -1] , then k :

Options

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

Correct answer

D. [ 1 2 , 1 ]

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