5 marksStationary Points (Maxima/Minima)

CSEC Additional Mathematics · 2014 · Paper 2 · Question 5(b)(i)

Given that f(x) = 2x³ - 9x² - 24x + 7.

Find ALL the stationary points of f(x).

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Other parts of this question

5(a)Find the equation of the tangent to the curve at P, giving your answer in the form ax + by + c = 0, where a, b, c, ∈ Z.[4 marks]
5(b)(ii)Determine the nature of EACH of the stationary points of f(x).[5 marks]

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