2025 NASS PRELIMS P1 Q1

2025 NASS PRELIMS P1 Q1

Secondary 4
3 marks
2025 Ngee Ann Secondary School Prelims A Math Paper 1

Determine with working, whether the function \( f(x)=\frac{7}{(3x+1)} \), \( x>0 \), is an increasing or decreasing function.[3]

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Answer:\(f(x)\) is decreasing for \(x>0\).

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