PRACTICE WITH CRITICAL VALUES,
EXTREMA, and INFLECTION POINTS
This page uses a small script to evaluate answers

For this self-test, use your mouse to mark a feature of the graph below. Slide your mouse off the bottom (or top) of the graph, to keep your choice visible. Then answer any of the questions below the graph.

Move the mouse across the graph at the right. Slide your mouse off the bottom edge to mark a feature of the graph while you answer the questions below.
     
[1] For the feature marked in graph above, which of the following is true ?
 
[2] For the feature marked in graph above: is this feature a CRITICAL VALUE of f ?
 
[3] For the feature marked in graph above: is this feature an ENDPOINT of the domain of f ?
 
[4] Is the feature marked in graph above a RELATIVE MAXIMUM, RELATIVE MINIMUM, or "LEDGE"?
 
[5] For the feature marked in graph above, which of the following is true ?
 
[6] At the feature marked above, is the graph concave up, concave down, or neither?
 
[7] For the feature marked in graph above: is this feature a CANDIDATE of f ?
 
[8] For the feature marked in graph above: is this feature an INFLECTION POINT of f ?
   
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last updated 12 October 2011