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'Exploring Quadratic Mappings' printed from http://nrich.maths.org/
The mapping below was created using the NRICH Number Plumber
to watch a video explaining how to use the Number Plumber.
Click on the mapping to explore the relationship between the function and its graph.
Now replace the 1 and 3 with other values. How does this affect the graph?
What happens if you add instead of subtract?
Describe and explain any generalisations you make.