# Function Notation

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Examples, videos, and solutions to help GCSE Maths students learn about the function notation.

Function Notation
How to use the function Notation?
A basic description of function notation and a few examples involving function notation.
Example:
If g(t) = t2 - 2t + 1

1. g(3t)
2. 5g(-1)
3. solve g(t) = 1
If f(x) = 5x -2, h(x) = x2
4. 3f(x)
5. f(2x - 1)
6. -f(a)
7. Solve f(-x) = h(x) + 2

Function Notation
The meaning and necessity of function notation, what it looks like, and how to use it.

Function notation GCSE Further Maths revision
Exam paper practice and help

1. f(x) = 3x - 5 for all values of x.
Solve f(x2 = 43
2. A sketch of y = g(x) for domain 0 ≤ x ≤ 8 is shown.
The graph is symmetrical about x = 4.
The range of g(x) is 0 ≤ g(x) ≤ 12
Work out the function g(x)

How to do function notation for GCSE Higher level Maths revision?

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations. 