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

The maximum/minimum of a function are the points where the first derivative (the gradient) of the function is zero. So with a function of the form y=f(x), you must take the derivative (dy/dx) and set your re...
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Answered by Ellie L. • Maths tutor
43954 Views

Outline research on conformity

A famous piece of research is the Stanford prison experiment by Zimbardo. He investigated how readily people wold conform to roles of prisoners and guards. He recruited US college students and randomly assig...
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Answered by Sinead A. • Psychology tutor
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How to find out where 2 lines cross/simultaneous equations

If we have the 2 lines line 1 - 3y=4x+2 and line 2 - 6y=7x+3 Firstly we would look for when the y's or x's are multiples of each other in this case the y's are multiples of each other as 3 is a multiple of 6...
JL
Answered by Jennifer L. • Maths tutor
6802 Views

What is the difference between Actus Reus and Mens Rea?

Both Actus Reus and Mens Rea are elements of a crime in which both are necessary in order for the defendant to be liable. The Actus Reus is the conduct element of an offence, this is what the defendant must ...
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Answered by Victoria S. • Law tutor
46199 Views

What is "half-life"?

Half-life is a term commonly used in radioactivity. It defines the time taken for a radioactive source to halve its activity. A radioactive source will emit radiation (energy) through the emission of particl...
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Answered by Evan T. • Physics tutor
5365 Views