2025 IGCSE Additional Mathematics May/June 0606/11 Q5

5 marks

Solve the equation \(5|2x-1|+8=23\).[3]
On the axes, sketch the graph of \(y=5\sin x-2\) for \(0^\circ\le x\le360^\circ\).[2]

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Answer:(a) \(x=-1,2\) (b) Sketch shown; maximum \(3\), minimum \(-7\), midline \(y=-2\).

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