SOLUTION: A definition of a function

Question 1196554: A definition of a function
Found 2 solutions by math_tutor2020, MathLover1:
Answer by math_tutor2020(3817) (Show Source): You can put this solution on YOUR website!

Here are two resources to check out
https://www.mathsisfun.com/sets/function.html
https://tutorial.math.lamar.edu/Classes/Alg/FunctionDefn.aspx

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable)
A function relates an input to an output.
Formal Definition of a Function:
A function relates each element of a set with exactly one element of another set
(possibly the same set).
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