Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

(main)[3]

The curve is defined by $y = 3x^3 - 6x^2 + 4x + 2$. Show that its gradient is never negative.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “By differentiating, obtain $\frac{dy}{dx}=9x^2-12x+4$” …

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