Abstract
If you have already studied functions in mathematics, it is likely that what you were studying was a type of function known as a ‘real-valued function of a real variable’. If this is the case, then you probably think of a function as ‘something that has a mathematical formula’ such as x2 − 2x + 3, or ‘something you can draw the graph of’ using x and y axes.
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© 1995 Peter Grossman
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Grossman, P. (1995). Functions. In: Discrete Mathematics for Computing. Palgrave, London. https://doi.org/10.1007/978-1-349-13908-8_6
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DOI: https://doi.org/10.1007/978-1-349-13908-8_6
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-64694-6
Online ISBN: 978-1-349-13908-8
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