H2 Math Pure Math

2023 TJC P1 Q10 Water is being pumped from reservoir into a filtration device at a constant rate of $8$ gallons per hour. The filtration device processes the water and

2012 MJC P1 Q10 (b) There was an island where initially there was no one living on it. The total capacity of the island is $9000$. The population increases at

2015 NJC P1 Q10 The population (in thousands) of fish present in a lake at time $t$ years is denoted by $x$. It is found that the growth rate of

2013 MJC P1 Q7 A tank contains $2$ m $^{3}$of water initially. Water flows into the tank at a constant rate of $4$ m$^{3}$s$^{-1}$and flows out at a rate which

2013 JJC P2 Q2 A researcher is investigating the spread of a certain disease in a town with a population of $3000$ people. The researcher suggests that $I$, the number

2023 RI P1 Q6 Alice bakes a large pie and removes it from the oven at $1$pm. The temperature reading of the pie using a food thermometer is $200{}^circ text{C}$