Function notation is a simpler method of describing a function without a lengthy written explanation. The most frequently used function notation is f (x) which is read as “f” of “x”.

If you are dealing with more than 1 function, you still have to use y. However, with the function notation, you could use g (x) or h (x) to indicate other functions of x.

Function Notation and how to get the values of functions, examples and step by step solutions

Jul 23, 2025 · Function notation is a precise and simplified way to express the relationship between inputs and outputs. Instead of using the typical y = format, function notation replaces …

Free function notation GCSE maths revision guide, including step by step examples, exam questions and free worksheet.

Function notation tells us the "name" of the function, and the "algebraic rule" it will be using. Traditionally, functions are referred to by single letter names, such as f, g, h and so on. Any …

Jul 16, 2024 · This blog post provides a detailed guide on how to effectively teach students to evaluate a function through function notation examples; including do’s and don’ts, common …

Explore function notation through clear examples, from linear to exponential functions, and understand its importance in mathematics, science, and engineering.

Function notation is a special way to write mathematical relationships. Instead of writing y = 2x + 1, we can write f (x) = 2x + 1. The "f" stands for function, and the " (x)" tells us that x is the …

Function notation gives a name to a function, and makes clear which variable is independent (that is, which is the variable for which you'll be picking input values).