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Firstly, find the values of x where f'(x) = 0

f'(x) = 6x² - 54

6x² - 54 = 0

6(x+3)(x-3) = 0

x = 3, y = -108 and x = -3, y =...

A great acronym to remember when doing a longer essay question requiring you to evaluate a study is GRAVES.

This stands for Generalisability, Reliability...

The easiest way to split this question is by factor: economic/material gain, religious devotion, legal reasons, social reasons. In terms of historians, the more outdated view was that economic reasons wer...

The loop of Henle is found in the medulla of the Kidney. Its primary function is reabsorption of NaCl and water. Through the counter-current multiplier effect, a hypertonic medulla is ...

At A level it is best to keep the essay structure simple and clear for the examiner even though your analysis and thought processes should be more complex than GCSE level. Although each question will be s...