Edexcel Paper 2 2023 June — Question 1

Exam BoardEdexcel
ModulePaper 2 (Paper 2)
Year2023
SessionJune
TopicChain Rule
1. $$f ( x ) = x ^ { 3 } + 2 x ^ { 2 } - 8 x + 5$$
  1. Find \(f ^ { \prime \prime } ( x )\)
    1. Solve \(\mathrm { f } ^ { \prime \prime } ( x ) = 0\)
    2. Hence find the range of values of \(x\) for which \(\mathrm { f } ( x )\) is concave.
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