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What does differentiation actually mean?

Differentiation is defined as the rate of change of a function. Imagine we had a function f(x), which we shall let equal x 2 . We all know what the graph of x 2 looks like. The derivative of x 2 is 2x. This ...
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Answered by Toby T. Maths tutor
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Outline principles that define the Biological Level of Analysis

Emotions and behaviours are products of the anatomy and physiology of the nervous and endocrine systems Animal research may inform our understanding of human behaviour Patterns of behaviour can be inherited;...
VC
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Name the types of timber and their characteristics

Hardwood: deciduous trees darker in general more expensive harder, stronger in general Softwood: coniferous trees cheaper, lighter in colour, less dense
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What's the best structure for an essay?

In A-level Psychology the strucure of the essay serves as a major component as to how many marks you will recieve. The key structure is as usual an introduction to give a brief background on the topic of int...
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Answered by Gaby W. Psychology tutor
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p and q are two numbers each greater than zero. √(p^2 + 5q) = 8 and √(p^2 – 3q) = 6. Find the values of p and q.

First of all, we have to raise to the power of two the first equation and will obtain: p^2 + 5q = 64. We have to proceed the same for the second equation and will obtain: p^2 - 3q = 36. Second step is to sub...
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