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How can taxes reduce the effect of negative externalities?

Firstly, we know a negative externality is when the marginal social cost of a good or service is greater than the marginal private cost: in practice, this means that there are third parties (people who are n...
NK
10555 Views

'The comic scenes of King Lear shed light on the play's more serious themes'. In light of this view, examine the significance of comedy in King Lear.

Firstly, interrogate the question. Find examples of comedy in the play that you feel confident writing about , then see if you can link to them to some of the play's more serious themes. Decide what you are ...
LR
3721 Views

Why is the derivative of x^2 equal to 2x?

The derivative tells us how much the output of a function changes when we change the input by a tiny amount. For the function f(x) = x 2 , we can think of the input as being a line of length x, and the outpu...
LI
Answered by Luke I. • Maths tutor
4538 Views

Why does Sodium Bromide have a melting point that is higher than that of Sodium ?

The melting point of the above elements/compounds is based on their bonding. Sodium Bromide has ionic bonding (a very strong type of bonding), which involves an electrostatic force of attraction between posi...
DT
Answered by Devansh T. • Chemistry tutor
17696 Views

A function is defined by f(x)= e^(x^2+4), all real x. Find inverse of f(x) and its domain.

Let f(x)=y: y = e^(x 2 +4); To find the inverse of a function, you need to find x in terms of y. In this case, you need to bring the exponent to the base. So in order to bring x 2 +4 from the power, take nat...
EC
Answered by Elisa C. • Maths tutor
3359 Views