Jeremiah Tay's answer to genevieve's Secondary 4 A Maths Singapore question.
Second part: population growing the fastest is a hint for maximum point which means dp/dt=0! Hope it helps :)
thank you but im not sure if this is an integration method as we have not learnt integration yet
Jeremiah, this approach is not taught in the O Levels. This is an A Level approach which is not suitable for the O Levels.