5 marksSecond Derivative Test for Stationary Points

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

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

Determine the nature of EACH of the stationary points of f(x).

The mark scheme is shown once you've answered.

Practise this question

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)(i)Find ALL the stationary points of f(x).[5 marks]

More practice: the rest of this paper · more Second Derivative Test for Stationary Points questions · all CSEC Additional Mathematics past papers