A couple of months ago, I ran across a lecture that featured this graph:
This graph shows the water consumption on February 28, 2014 by the city of Edmonton during the gold medal men’s hockey game during the last Winter Olympics (in which Canada defeated Sweden 3-0). My students will try to answer one simple question: What can this graph tell us?
I’m expecting that the conversation will drift toward the fact that there are some weird peaks and valleys. Then, we can figure out what those peaks and valleys are.
In case you’re curious:
My hope is that this conversation can create a need for the importance of local and global maxima and minima. We’ll do the typical defining and practicing:
My hope is that the students get a sense of an example where maxima and minima mean something.