2024 IGCSE Additional Mathematics October/November 0606/11 Q1

2024 IGCSE Additional Mathematics October/November 0606/11 Q1

3 marks

The diagram shows the graph of \(y=|\mathrm{f}(x)|\), where \(\mathrm{f}(x)\) is a cubic polynomial. Find the two possible expressions for \(\mathrm{f}(x)\) in terms of linear factors with integer coefficients.[3]

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Answer:\(\mathrm{f}(x)=\pm3(x+4)(2x-1)(x-2)\).

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