GCSE Maths OCR J560

Interpret, where appropriate, simple expressions as functions with inputs and outputs.

e.g. $y = 2x + 3$

$x \longrightarrow \boxed{×2} \longrightarrow \boxed{+3}\longrightarrow y$

**Interpret the reverse process as the ‘inverse function’.

Interpret the succession of two functions as a ‘composite function’.

Knowledge of function notation will not be required

see also Translations and reflecions, 7.03a**