Abstract
A function expresses a relationship between two or more quantities of interest. For example, we would expect the quantity of bread that people in a certain area will purchase to depend on the price of bread and the population of the area. To describe such a relationship we say that demand for bread is a function of the price and the population. Using D for the quantity demanded, P for the price of bread and S for the size of the population, we can write this function as:
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© 1994 Clare Morris and Emmanuel Thanassoulis
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Morris, C., Thanassoulis, E. (1994). Functions and Graphs. In: Essential Mathematics. Palgrave, London. https://doi.org/10.1007/978-1-349-12929-4_3
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DOI: https://doi.org/10.1007/978-1-349-12929-4_3
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-57548-2
Online ISBN: 978-1-349-12929-4
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