Search over 10,000 free study notes

The easiest way to solve this problem is by using differentiation.

dy/dx = (6x^2 + 4x + 2)/dx

dy/dx = 62x^1 + 41x^0 + 0

dy/d...

Direct taxes are paid to the government straight from the individual or group taxpayer. E.g income tax (comes straight from the individuals' income) or corporation tax (comes straight ...

In most A Level mark schemes, this is not a requirement.

Examiners are looking for you to demonstrate your understanding of key historical concepts and i...

A bar-chart is a graph where the height of the bar measures the frequency of a particular category which that bar represents.

For a histogram, however, t...

The letters "x" and "y", or any other similar letter in an equation, are examples of unknown variables. 

What this means is that we don't know their v...