Finding the rate of change from a word problem

The video tutorial explains how to solve a rate of change problem using a word problem about a teacher's weight over time. It covers identifying dependent and independent variables, calculating the rate of change, and understanding why time is always an independent variable.

How can you simplify the rate of change calculated from the weight and years?

What does the rate of change tell us about weight gain over the years?

Describe the relationship between weight and year based on the information provided.