QuestionExample Compare the rates of change for these two functions. Which function has a greater rate of change?
Sarah's Savings $\frac{\text { vertical change }}{\text { horizontal change }}=\frac{6}{1}=6$
Alyssa's Savings
Alyssa's rate of change is greater than Sarah's.
1 What do the rates of change in the example represent? The speed that they go up $\frac{\text { vertical change }}{\text { horizontal change }}=\frac{8}{1}=8$