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GF.11.1

Function notation

Use function notation

3 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 5–7 Core 🇬🇧 UK

Function Notation - GCSE Higher Maths

1st Class Maths 169K views

Clear UK exam-style intro to function notation and substituting values into f(x).

Jump to 0:00Introduction to function notation 1:48Substituting values into a function 3:08A second example

Grade 5–6 Recap 🇬🇧 UK

Function Notation

Maths Genie 61K views

Short, focused Maths Genie clip explaining exactly how function notation works.

Grade 4–7 Core 🇺🇸 US

Evaluating Functions (Intro to Function Notation)

Mario's Math Tutoring 350K views

Crisp worked examples of evaluating functions, including solving for the input value.

Jump to 0:34Example 1 Evaluate f(2) for f(x)=2x^2 - 3x + 1 1:20Example 2 Evaluate g(-3) for g(x)= -5x - 10 3:23Example 4 Find x when m(x) = 6 for m(x) = x^2 - 3