A rule for creating a set of new values from an existing set; for example, the function f(x) = 2x creates a set of even numbers (if x is a whole number).
"mathematical function." YourDictionary, n.d. Web. 21 June 2018. <http://www.yourdictionary.com/mathematical-function>.
mathematical function. (n.d.). Retrieved June 21st, 2018, from http://www.yourdictionary.com/mathematical-function
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