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It is like a flow chart for a function, showing the inputs and the outputs. Eg. A mapping diagram for f(2x) would be: 1 ----> 2 2 ----> 4 3 ----> 6 etc. Sometimes the numbers are placed out of order so that the lines will cross. Good Luck! Mark Ravenwood Folkestone School for Girls

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15y ago

What else can I help you with?