meaning of function in Longman Dictionary of Contemporary English

function Functions define the relationship between two variables, one is dependent and the other is independent Function in math is a relation f from a set A (the

A function in maths is a special relationship among the inputs and their outputs where each input has exactly one function A function f f consists of a set of inputs, a set of outputs, and a rule for assigning each input to exactly one output The set of inputs is called the domain