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Also known as mathematical function, single-valued function, total function, map, application, mapping

một loại ánh xạ giữa hai tập hợp số liên kết mọi phần tử của tập số đầu tiên với đúng một phần tử của tập số thứ hai

AI overview

A function is a relationship where each input is paired with exactly one output. Functions matter because they're a fundamental way to describe how things depend on each other—whether in mathematics, science, or everyday situations like how your paycheck depends on your hours worked.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Subclass of: generalized function
Image: Exp re.png

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studied by: mathematics
opposite of: multivalued function
maintained by WikiProject: WikiProject Mathematics
Commons category: Functions (mathematics)
topic's main category: Category:Functions and mappings
has list: list of mathematical functions
has characteristic: arity
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
different from: position
described at URL: www.khanacademy.org/math/linear-algebra/matrix-transformations/linear-transformations/v/a-more-formal-understanding-of-functions

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