# Function Notation

> This section reads and evaluates functional notation. Paper 1 Functions and Graphs is about 35 marks; a first demand is to substitute into f(x) and to tell f(-x) from -f(x) as algebra of the rule…

- Page: https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs/function-notation

Breadcrumbs: [Home](https://www.hlayiso.com/) › [Grade 12](https://www.hlayiso.com/grade-12) › [Mathematics](https://www.hlayiso.com/grade-12/mathematics) › [Notes](https://www.hlayiso.com/grade-12/mathematics/notes) › [Functions and graphs](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs) › [Function Notation](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs/function-notation)

## Full notes

This is a preview of the Function Notation notes for Grade 12 Mathematics. Create a free Hlayiso account to read the full notes, practise every question and track your progress.

## More in Functions and graphs

- [What is a Function?](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs/what-is-a-function) — Previous section
- [The Basic Functions, Formulas and Graphs](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs/the-basic-functions-formulas-and-graphs) — Next section
- [All Functions and graphs sections](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs)

## Frequently asked questions

### What will I learn in "Function Notation"?

This section covers Function Notation as part of Functions and graphs in Grade 12 Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Function Notation", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics.

### What should I study after "Function Notation"?

Continue with the next section in Functions and graphs, or test your understanding with the interactive quiz linked to this section.

---

Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.