Stage: 4 Challenge Level: 
What do the two graphs look like if one vehicle overtakes the
other?
What do the two graphs look like if one vehicle meets the other?
Think about the gradients and crossing points for each case.
What do the two graphs look like if one vehicle meets the other?
Think about the gradients and crossing points for each case.
Discussion. Length/distance. Speed. Maths in STEM. Inequality/inequalities. Cubic functions. Maximise/minimise/optimise. Graphs. Transformation of functions. Graph plotters.
Published July 2009,August 2009.
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