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hey dudes, i'm having major struggles with exponential growth and decay. I don't mind so much the working out of the problems, but I just don't understand why they ask questions such as eg. Its temperature, T°C, after t hours in the oven satisfies the equation dT/dt= −k (T − 190) Show...

Just wondering....do most 4U students take the 2U exams all throughout year 12? Or does everyone normally do just 3U and 4U exams? Thanks!

Would someone mind being a legend and explaining the process for answering these types of questions? (kinda in detail as I've tried lots of these and can't seem to get a hang of it) "when P(x) is divided by x^2 - 1, the remainder is 3x-1. What is the remainder when P(x) is divided by x-1?"...

One thing that is bothering our whole class and which none of us are sure about is the way in which exams may change due to the reference sheet. Will exams become harder, or questions asked differently, or will they stay exactly the same as before? Thanks to whoever can clarify this!! Sent...

Hi All! Just like many of you now, I have recently finished year 11 and was ranked first in English. This may not be an excellent indicator of success or quality however many would agree it does hold significance! I am selling the creative I carefully shaped and reshaped all through...