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The curve C has equation y=2x^2 -11x +13. (a) The point P has coordinates (2, – 1) and lies on C. Find the equation of the tangent to C at P.

We must firstly understand that the tangent at point P is linear, and we must use y = mx +c format for the equation. To calculate the equation we need to find the unknowns m and c. To find the unknown m whic...
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Answered by Charles K. • Maths tutor
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How do I structure my exam answer?

I would firstly suggest that before you begin writing an answer you must identify the keyword in the question and create a brief plan. Identify the keyword in the question by either highlighting it or underl...
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Describe the physiology of the pancreas

The Pancreas is a special organ found in the abdominal cavity. What is unusual about the pancreas is that it has both an endocrine and an exocrine function. An endocrine function is when the organ produces a...
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Answered by Scott W. • Biology tutor
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Explain how blood circulates through the heart?

Firstly we need to know the anatomy of the heart. The heart is made up of four chambers, the top two are called Atria and the bottom two are called ventricles, the heart is also split up into a left side and...
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Answered by Scott W. • Biology tutor
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What is the VSEPR theory?

(The answer really depends on the level of the student, hence more or less explanation might be needed.)The VSEPR (Valence Shell Electron Pair Repulsion) theory is used within chemistry to predict the geomet...
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Answered by Alena K. • Chemistry tutor
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