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ProEdify
Understanding the Delta Symbol: A Guide to Units of Measure
The video introduces the delta symbol as a shorthand for measuring the change in a unit of measure, such as time. Through a practical example of baking cookies, viewers learn how to apply the delta symbol to calculate the change in time...
Virtual Nerd
Virtual Nerd: What Is Rate of Change?
Watch this tutorial to learn about rate of change and see the difference between positive and negative rates of change. [6:21]