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How should I answer a 30 mark question in order to get a high mark?

The first thing that you need to do is check that you are answering the question! This means writing an answer that directly refers to the words of the question. Its this that makes the difference between...

MW
10364 Views

Given that f(x) = (x^2 + 3)(5 - x), find f'(x).

First we must multiply out the brackets, using FOIL (first, outer, inner, last). This gives f(x) = -x^3 + 5x^2 - 3x + 15. Alternatively you could leave the brackets as they are, and use the product rule t...

CD
Answered by Chris D. Maths tutor
6829 Views

What are quarks?

Quarks are the building blocks of protons and neutrons, as found in the nucleus of atoms. They are as far as we know, fundamental particles, but this could change in the future. There are 6 types, named u...

AG
Answered by Andrew G. Physics tutor
5961 Views

Why do we need to differentiate?

Differentiation is a very important tool for mathematicians. Although finding the gradient of a line can seem to lack a point, it does have some very important applications. For example, in mechanics the ...

AG
Answered by Andrew G. Maths tutor
9454 Views

Using a case study, explain the cause and effects of flooding.

On the 16th of August 2004, Boscastle, a small fishing village on the North coast of Cornwall, experienced one of the worst flash floods Britain has ever seen, 1 in 400 year flood. Two and a half miles up...

SR
Answered by Scott R. Geography tutor
9756 Views

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