9709 P13 - Nov 2014 - Q3
1141
(i) Express \(9x^2 - 12x + 5\) in the form \((ax + b)^2 + c\).
(ii) Determine whether \(3x^3 - 6x^2 + 5x - 12\) is an increasing function, a decreasing function or neither.
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