Cricket Chirps

This video describes the relationship between the number of cricket chirps and the outside temperature. This is an application of linear functions of the form y = mx + b. As you watch this video make a note of the following items:

• Which is the independent variable?
• Which is the dependent variable?
• What is the relationship between the two variables.

The graph of the function is a line with a slope of m. Think of the domain and range of this function.