Video lessons for Edexcel A Level Maths Functions and Graphs, covering 2.1 The Modulus Function, 2.2 Functions and Mappings, 2.3 Composite Functions, 2.4 Inverse Functions, 2.5 y=|f(x)| and y=f(|x|), 2.6 Combining Transformations, and 2.7 Solving Modulus Problems. 7 lessons matched to the Edexcel A Level Maths (9MA0) specification, each working through the content and then applying it to exam-style questions in Paper 1, Paper 2 and Paper 3 format. Suitable for A Level Maths.