In geography it is important to be able to read and understand data that is presented in a range of different ways. We often use graphs to present data in a clear and accessible way. There are ...

It shows that if you buy 0 litres, it will cost £0. This graph shows the cost of hiring a ladder for various numbers of days. Using the points (1, 10) and (9, 34), the \(gradient = \frac{change~up}{ ...