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Start by differentiating the function to find points where the gradient is 0. so dy/dx = 15x^2 + 18x + 3 We can use the equation for finding the roots of a quadratic here, set a=15, b=18 and c=3 and proc...

These two processes can often be confused very easily. To begin with both processes are based on the principle of molecules moving from an area of high concentration to an area of lower concentration. Wit...

So the muscle is made up of 2 muscle filaments, a thick filament called myosin and a thin one actin. This can be remembered by actin having 2 syllables which is less than myosin which has 3 so actin is th...

The question is asking you to find the value of x, x represents a number. Therefore, 7x means 7 times a number- this the number we are trying to find out. The first step is to get all the numbers containi...

To answer an essay question you first need to decide what the question is actually asking - pay attention to the question words (explore, discuss, to what extent, how etc) and use this to choose how to a...