Functions are one of the most fundamental concepts in mathematics, serving as a cornerstone for topics in algebra, calculus and beyond.Basics of functions are stepping-stone to success in functions ...

A function links an input value to an output value. Functions are written in function notation with the name of the function (usually f or g), a variable written in brackets and an expression .

A function links an input value to an output value. Functions are written in function notation with the name of the function (usually \(f\) or \(g\)), a variable written in brackets and an expression.