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The first thing we need to think about to answer this question is the target of this income tax. During a short introduction it is useful to outline what the question is really asking so that you are able to...

This question is really straight forward By using the Chain rule: f'(x) = uv' + u'v. let u=3x, so u'=3 let v=(2x-1)^2, so v'=2x2(2x-1)=8x-4 Now, we put this expression altogether: As f'(x) = uv' + u'v f'(x)=...

The key to this is remembering that introductions rarely score additional marks on exams, and so a short but sweet introduction is perfectly fine! The most important thing is to avoid phrases like "in t...

Remember that you only need a couple of quotes per point, and that the examiners prefer to see well-selected and relevant points rather than a huge amount of quotes with no link to the question! My advice wo...

The best way to explain the multiplier effect is through an example. Imagine that the government invested £100m in building a new hospital. They would need to employ lots of staff to build and work in the ho...