A curve has equation $$\(y=x^{3}-3 x+4\)$$. Determine whether each stationary point is a maximum or a minimum. Give reasons for your answers.
Exam No：0580_m20_qp_42 Year：2020 Question No：11(b)
Answer:
\((1,2)\) minimum with reason
\((-1,6)\) maximum with reason
\((-1,6)\) maximum with reason
Knowledge points:
E2.13.1 Understand the idea of a derived function.
E2.13.2
E2.13.3 Apply differentiation to gradients and turning points (stationary points).
E2.13.4 Discriminate between maxima and minima by any method.
Solution:
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