notes on software

Mathematical Composite Functions

Functions in math

What is a Function

A function relates an input to an output.

It is like a machine that has an input and an output.

And the output is related somehow to the input.

f(x) "f(x) = ... " is the classic way of writing a function. And there are other ways, as you will see!

Input, Relationship, Output

We will see many ways to think about functions, but there are always three main parts:

  • The input
  • The relationship
  • The output

Domains, Codomains, and Ranges

Domain, Range and Codomain

Function composition in math

Composition of Functions

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Mathematical Composite Functions