Consider the graph of the function $f$ shown below.
**At which point(s) is $\displaystyle f\,^\prime (x)=0\,?\,$[[☃ dropdown 1]]**
**Where is $ \displaystyle f\,^\prime (x) · f(x)>0\,?\,$[[☃ dropdown 2]]**
**Where is $\displaystyle |f\,^\prime (x)|$ greatest in value? [[☃ dropdown 3]]**
