IGCSE has some functions work on it. This is mainly consolidation of what I have taught them so far but I am about to move onto composite functions hence the last few slides look a bit different to what they will need to get used to as I want them to figure out what's going on. When I teach with this I will show them the proper notation for composite functions on the board after they have answered the questions. If you have time, you may want to add in some animations to replace the f(g(x) with fg(x) etc.
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