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Let f(x)= x^3 -9x^2 -81x + 12. Calculate f'(x) and f''(x). Use f'(x) to calculate the x-values of the stationary points of this function.

To answer this question we need to first decide what the question is asking for. In this case the question is asking for the first and second differential of a given function. If we have a function f(x) = x ...
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Answered by Jazz P. • Maths tutor
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How does Hydrogen bonding arise in Water?

Hydrogen bonding occurs in water due to the large electronegativity difference between the hydrogen atoms and the oxygen atom.The oxygen attracts the shared pair of electrons towards itself leaving the hydro...
Answered by • Chemistry tutor
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Briefly evaluate Ash's study into conformity (4 marks)

A strength of Asch's study into conformity is that it was carried out in a lab setting and was carefully controlled. This means that there was good control over extraneous variables, therefore any change in ...
Answered by • Psychology tutor
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Examine the works of a composer, and how they convey extra musical content through the score.

Claude Michel Schoenberg is a musical theatre composer having written well known musicals such as Les Miserables and Miss Saigon. He often conveys extra musical content within the score which is able to refl...
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Answered by Ben G. • Music tutor
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What is the structure of a protein?

Proteins are long chains of amino acids connected by peptide bonds. The structure of proteins is broken down into 4 components. The primary structure of a protein is simply the order of amino acids found in ...
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Answered by Richard N. • Biology tutor
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