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Whenever you are confronted with an exam question, it is crucial to take a few moments to step back and think about what the question asks you to do. Most obviously, this question asks you to write about ...

Haemoglobin is a protein made up of 4 sub-units. Each sub-unit has a molecule of un-oxygenated Iron. Oxygen covalently bonds to the Iron and is thereby carried by the blood as Oxy-haemoglobin. Oxy-haemogl...

    When inflation is due to being cost-push, the government uses supply-side policies, which manipulate and influence the supply curve in the long term, to increase the level of aggregate supply, as ment...

The acronym Fudgebow is a memorable way to recall all prepositions, which trigger the accusative case:

Für, Um, Durch, Gegen, Entland, Bis, Ohne, Wider

To begin with, lets rewrite the equation in a way which is easier to understand by making y the subject and multiplying out the brackets:

y = x² - 4x - 14

this looks significantly...