Identifying Turning Points (Local Extrema) for a Function
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Key Questions

For a differentiable function
#f(x)# , at its turning points,#f'# becomes zero, and#f'# changes its sign before and after the turning points.
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Videos on topic View all (4)
Graphing with the First Derivative

1Interpreting the Sign of the First Derivative (Increasing and Decreasing Functions)

2Identifying Stationary Points (Critical Points) for a Function

3Identifying Turning Points (Local Extrema) for a Function

4Classifying Critical Points and Extreme Values for a Function

5Mean Value Theorem for Continuous Functions