the definition of a function, the concepts of domain (including maximal, natural or implied domain), co-domain and range, notations for specification of the domain, co-domain and range and rule of a function
U1.AoS2.2
substitution into, and manipulation of, these expressions
U1.AoS2.5
transformations of the plane and application to basic functions and relations by simple combinations of dilations (students should be familiar with both ‘parallel to an axis’ and ‘from an axis’ descriptions), reflections in an axis and translations (matrix representation may be used but is not required)
U1.AoS3.2
interpretation of graphs of empirical data with respect to rate of change such as temperature or pollution levels over time, motion graphs and the height of water in containers of different shapes that are being filled at a constant rate, with informal consideration of continuity and smoothness
