What does "rate of change" mean, exactly? a function describes how one quantity is related to another – how y is related to x. as an example, y could be your height and x your age. the three graphs below show three cases of how your height could change with age.

One common educational practice is to chart students' progress over time so that students can see their own improvement. these progress charts often lead to higher student achievement in the absence of other observable forms of reinforcement. the effectiveness of such charts in changing behavior illustrates the role of reinforcement as:

Why are people in history willing to fight in conflicts against a more powerful oppressor?

The word that means" relating to soldiers and war"