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secondary 4 | A Maths
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Lian Qi
Lian Qi

secondary 4 chevron_right A Maths

How to solve

Date Posted: 7 years ago
Views: 1131

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Irvin Ting
Irvin Ting 's answer
21 answers (Tutor Details)
1st
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Bryant Lam Hong Sheng
Bryant Lam Hong Sheng's answer
97 answers (Tutor Details)
You need to realise that for y to be decreasing, dy/dx has to be negative. Afterwards, just differentiate and solve the inequality
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S Kumar
S Kumar's answer
3 answers (Tutor Details)
Thanks