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(2)… by efficient cooperation
Published online by Cambridge University Press: 22 September 2016
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Let D and R be two non-empty sets. A function f: D → R is a rule for assigning to each element x belonging to D a single element y = f(x) belonging to R. The set D is called the domain of the function f and the set R is called its range.
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- Sums of powers of natural numbers
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- Copyright © Mathematical Association 1980