Question 26 — IGCSE 0580 Specimen 2025 Paper 21
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Functions and Graphs · Graphs of functions. Worth 11 marks.
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Question text
26
y
24
– 3 0 4 x
– 18
f(x) = x(x + 2)(x – 3)
(a) On the diagram, sketch the graph of y = f(x) for –3 x 4 .
Show the values of the intersections with the axes. [3]
⩽ ⩽
(b) Expand and simplify.
x(x + 2)(x – 3)
............................................... [3]
(c) A is the point (1, –6).
The tangent to the graph of y = f(x) at A meets the y-axis at B.
Find the coordinates of B.
( .................... , .................... ) [5]
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