problem
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Shopping Basket
The items in the shopping basket add and multiply to give the same amount. What could their prices be?
problem
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Exploring cubic functions
Quadratic graphs are very familiar, but what patterns can you explore with cubics?
problem
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Back fitter
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?