Grade 12 Maths · Calculus

Interpret a derivative graph

Use the graph of f′ to describe f, like where f has turning points (where f′ = 0) and where f is increasing (where f′ > 0).

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Grade 12 Calculus Sketch the graph of f(x), given f'(x) (DBE / NSC Maths CAPS CURRICULUM )NTE \ New Technological Education
Given the graph of f' find the intervals the graph is increasingBrian McLogan
Given the derivative graph of f' find the relative minBrian McLogan

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Question 5.3 · May/June 2025 · Paper 1 · National (DBE) · 4 marks

The graph of is drawn below. is the turning point of . is a point on .Diagram for this question
5.3 The graph of , where is the derivative of , is obtained when is reflected over the line . Draw a sketch graph of if . Clearly indicate any stationary points on your graph.(4)

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More past paper questions: interpret a derivative graph

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  1. 3. Question 9.1.5 · September 2024 · Paper 1 · Provincial · 2 marks

    9.1 The graphs of and are sketched below. The graph of is the derivative graph of a cubic function g. The graphs of h and have a common y-intercept at point E. C(-2;0) and D(6;0) are the x-intercepts of the graph of . Point A is the x-intercept of h and point B is the turning point of . Line AB is parallel to the y-axis.Diagram for question 9.1
    9.1.5 Explain why g has a local maximum at .(2)
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      ExplanationSign change of derivative from positive to negative

      2 marks · Interpret a derivative graph

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