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Curve C has equation y=(9+11x)/(3-x-2x^2). Find the area of the curve between the interval (0, 1/2). State your answer in exact terms.

The word "area" should highlight that it is an integration question to the student. The interval asked for is (0,1/2) and so the curve should be integrated between that interval.The first task is t...
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Answered by Isha A. • Maths tutor
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Expand and simplify 4x(x+3) - (2x-3)2

When dealing with such a question, an expansion question, the first part of the equation to look at is the brackets.Looking at the question above, one can see that there are two pairs of brackets - it would ...
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Answered by Tofi O. • Maths tutor
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Where should I apply?

consider what you are applying with. what are your predicted grades like? how strong are your GCSE results? How well did your UKCAT go? are you sitting the BMAT? These alone will give you a good indication o...
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Solve the simultaneous equations: 2x+2y = 10 and 7x + 4y = 26

The first step with any simultaneous equation is to cancel out one of the variables. Here, 2y is a factor of 4y (it fits into 4y twice) so we can multiply the 1st equation by 2 to give us 4x+4y = 20.This giv...
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Answered by Sylvia M. • Maths tutor
5598 Views

Describe how blood is pumped around the heart and the body.

Deoxygenated blood from the body is delivered to the right atrium by the vena cava. The right atrium contracts and blood flows into the right atrium. The right ventricle then contracts and blood is pumped to...
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Answered by Bel R. • Biology tutor
3348 Views