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Why is the derivative of a function its gradient?

So, the easiest way to start thinking about this is by looking at straight lines. The gradient of a straight line is just its slope, which is the difference in the y values between any two points, divided by...
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Answered by Connor G. • Maths tutor
7422 Views

What are the main macroeconomics variables?

There are 4 main macroeconomic variables that policymakers should try and manage: 1) Balance of Payments 2) Inflation 3) Economic Growth 4) Unemployment This can be easily remembered using the following acro...
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Answered by Aidan G. • Economics tutor
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Discuss Pedro Almodovar's creative influences and to what extent they are present within his films.

Pedro Almodovar's creative influences are clearly visible within many of his films and can be roughly divided into three categories; individual, personal and cultural. First of all, his individual influence ...
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Answered by Alice J. • Spanish tutor
7959 Views

How should I approach a primary source question in an exam?

These kinds of questions could ask you to analyse a piece of contemporary text, a picture or an object. However, the way you would go about answering the question would be the same whatever the source, and t...
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Answered by Emma M. • History tutor
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What is the probability of offspring (both male and female) being affected by haemophilia if both parents are unaffected?

Haemophilia is a sex-linked genetic recessive disease, meaning it is associated with a gene located on the X chromosome. As males have only one X chromosome, inheriting that chromosome will mean that they wi...
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Answered by Ella B. • Biology tutor
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