Question
The curve y = x^3 - 3x^2 - 9x + 5 has turning points at (-1, 10) and (3, -22).
Determine whether each turning point is a maximum or a minimum.
Show how you decide.
[3 marks]
Determine whether each turning point is a maximum or a minimum.
Show how you decide.
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Modelled on Cambridge 0580 · May/Jun 2026 · Paper 21 · Q24(b)
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Modelled on Cambridge 0580 · May/Jun 2026 · Paper 21 · Q24(b)
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