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The graph of is given below: Find the slope of the above graph. Find the co-ordinates of turning…
The graph of $f(x) = -x^3 + 27x - 2$ is given below:

(a)[1.0]
Find the slope of the above graph.
(b)[2.0]
Find the co-ordinates of turning points, A and B.
(c)[1.0]
Evaluate $f''(-2)$, $f(0)$ and $f'(3)$ and arrange them in ascending order.
Answer
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From ISC 2025 Mathematics Paper 1, question 9(ii).