# The Logarithmic Function

> This section defines the logarithmic function as the inverse of the exponential: y=log_ax if and only if x=a^y. Paper 1 Functions and Graphs is about 35 marks. Trigonometric functions are examined…

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## Full notes

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## More in Functions and graphs

- [Inverse Functions](https://www.hlayiso.com/grade-12/mathematics/notes/functions-and-graphs/inverse-functions) — Previous 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 "The Logarithmic Function"?

This section covers The Logarithmic Function 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 "The Logarithmic Function", are written against the official CAPS curriculum and ATP for Grade 12 Mathematics.

### What should I study after "The Logarithmic Function"?

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

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