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How do I find the maximum/minimum of a function?

Suppose y is a function of x: y = f(x) At the maximum/minimum of the curve y, the first derivative of the function (with respect to x) is equal to zero: dy/dx = 0 To check whether this is a maximum or a mini...
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Answered by Josh D. • Maths tutor
25132 Views

What is the ablative case used for and how is it translated?

The ablative case is used in several instances. A noun in the ablative case can usually be translated with the meanings ' by ', ' from ', or ' with '.Certain prepositions or verbs take the ablative case, suc...
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Answered by Lara B. • Latin tutor
22904 Views

The two blocs of the Cold War

The Cold War (1947/1991) is known as the "ideological" war between the Western Block (lead by the USA) and the Eastern Block (lead by USSR). USA and its allies, the members of NATO (1949) defended ...
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Answered by Claire A. • History tutor
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What are positive and negative feedback loops?

Feedback loops are a series of events which are triggered by an initial change. Positive feedback loops are feedback loops which amplify the initial change and lead to a repetition of the cycle. An example o...
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Answered by Matthew F. • Geography tutor
47639 Views

How do you calculate the net social welfare loss due to a negative externality in production?

If there exists a negative externality in the production of a good or service (eg. coal power station emitting greenhouse gases) the Marginal Social Cost (MSC) to society of producing the good will exceed th...
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Answered by Scott N. • Economics tutor
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