Question

Use the graph of the derivative of f to locate the critical points x0 at which f has neither a local maximum nor a local minimum? Graphs below

Answer 1

1. x0 = a , b
2. x0 = c , a
3. x0 = a , b , c
4. x0 = a
5. none of a , b , c
6. x0 = b
7. x0 = b , c
8. x0 = c