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Choose an example of a negative externality and explain one policy which may help to solve it.

Smoking, specifically tobacco, is an example of a negative externality in that it harms negatively those outside of the original transaction. For example, a person walking down a high street inhaling seco...

SB
Answered by Sam B. Economics tutor
2324 Views

what is the critical period?

It is part of Bowlby's monotropic theory which states that during this first crucial period of 0-2 years, an infant should receive continuous care if strong secure attachments are going to be made. If an ...

AT
Answered by Amy T. Psychology tutor
2375 Views

What are the types of long term memory and how are they different?

Long term memory is split into two divisions; procedural which is knowing how to do something and declarative which is knowing that. Pr...

AT
Answered by Amy T. Psychology tutor
2580 Views

Consider the curve y=x/(x+4)^0.5. (i) Show that the derivative of the curve is given by dy/dx= (x+8)/2(x+4)^3/2 and (ii) hence find the coordinates of the intersection between the left vertical asymptote and the line tangent to the curve at the origin.

The unsimplified form of the derivative can be obtained fairly easily with use of the quotient rule. The trick for simplification is to multiply top and bottom by (x+4)^0.5, this allows manipulation of th...

SR
Answered by Seb R. Maths tutor
3583 Views

Integrate 3x^4-4x^2+3/x

Firstly, integrate each term individually, starting off with the 3x^4. In order to integrate the index on the x term needs to be raised by 1, and the coefficient of the x should be divided by this new val...

MR
Answered by Muhammad R. Maths tutor
4097 Views

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