# Critical points

Recall that if a function is continuous and has a maximum or minimum at a point in its domain, then or does not exist. When these conditions are met, is called a critical point.
The graph below shows the function , the point A moves along the graph as you change the values of , can you identify the critical points of ? What is the max/min of on the intervals: ?

## New Resources

## Discover Resources

Download our apps here: