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Year 12 Maths - Methods (Unit 3 & Unit 4) Applications of differentiation

The second derivative and acceleration

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Question 1
198879

Consider the function \(f(x)=x^{3}+2x^{2}-5x\).

(i) Find \(f'(x)\).
(ii) Hence find the second derivative \(f''(x)\).
Part a:
3x^2+4x-5
1 mark
Part b:
6x+4
1 mark

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