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What is the general rule for differentiation?

In differentiation you multiply the coefficient of the subject (what the value is multiplied by e.g. 3 is the coefficient of 3x 6 ) by its exponent (the power that the value is raised to e.g. the exponent of...
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Answered by Oisin B. • Maths tutor
4653 Views

Outline and evaluate the cognitive model of abnormality

The cognitive approach states that the root of abnormality is faulty thought processes. According to Beck, these take the form of negative thoughts about oneself, negative expectations of the future and a di...
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What's the best technique for writing an introduction to an essay?

Introductions are a key part of any good essay as this is the first taste the marker is going to get for what your essay is about. There are a few key things to remember when writing an Introduction. Firstly...
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Answered by Oliver E. • Politics tutor
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How do I know when a quadratic function crosses the y-axis?

The key thing to remember here is that the y-axis is a straight line and all of the points that lie on it have the x-value of 0. This means that the curve crosses the y-axis when x=0 so you can substitute th...
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Answered by Scott R. • Maths tutor
7210 Views

What is the difference between por y para?

Para 1) 'in order to' + infinitive. EXAMPLE: Voy a la biblioteca para leer un libro (I go to the library in order to read a book) 2) destination EXAMPLE: Durante las vacaciones, voy a ir para Valencia. 3) fo...
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Answered by Kate N. • Spanish tutor
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