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This function involves absolute values. To find the slope on the slide use different equations to define the function in different parts of its domain.

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Loch Ness

Draw graphs of the sine and modulus functions and explain the humps.

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Complex Countdown

Play a more cerebral countdown using complex numbers.


Stage: 5 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

This problem calls for you to describe and explain the features of the graphs and symmetry arguments will be very useful. First think about the features of the graphs and try to sketch them for yourself, then it may help to use a graphic calculator or graphing software and you may want to download the shareware software Graphmatica .