2025 WGS P2 Q8

2025 WGS P2 Q8

Secondary 4
8 marks

The equation of a curve is \(y=(x+1)(2x^2-5x-31)\).

  1. Find the coordinates of the stationary points of the curve.[5]
  2. Determine the nature of the stationary points.[3]

Solution:

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Answer:(a) \((3,-112)\), \((-2,13)\). (b) Local minimum at \((3,-112)\); local maximum at \((-2,13)\).

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