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Functions — AQA GCSE Maths 8300
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Mathematics
AQA GCSE Mathematics
Algebra
Notation, vocabulary and manipulation
Functions
AQA GCSE Mathematics · 8300
Functions
What you need to know
Interpret simple expressions as functions with inputs and outputs.
Interpret the reverse process as an inverse function.
Interpret the succession of two functions as a composite function.
Use function notation
f
(
x
)
f(x)
f
(
x
)
,
f
g
(
x
)
fg(x)
f
g
, and
.
Revision notes
1
Functions
4 key terms
Practise with past papers
Key terms & definitions
Previous subtopic
Equations vs Identities
Next topic: Graphs
Coordinates
(
x
)
f
−
1
(
x
)
f^{-1}(x)
f
−
1
(
x
)
