MATH 221 -  Calculus I – Test #2                                           Name________________

Instructions: Answer all the questions on the paper provided and show all your work.  Clearly label your answers.

 

1.      Find all the critical points (there may not be any) of f(x).  Briefly explain why they are critical points.                                                                   (18)

a)     

b)     

 

 

 

 

 

 

 

 

2.      Let                                                                                   (18)

a)      Find the intervals on which f(x) is increasing and is decreasing.

b)      Find all local maximum and minimum points of f(x).

c)      Find all points of inflection of f(x).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.      Verify the Mean Value Theorem  for  on the interval [0,9].                     (14)

 


4.      A particle moves along the graph of  in such a way that  units per second.  Find  when the particle passes through the point (-1,1).        (16)

 

 

 

 

 

 

5.      Below is the graph of f(x).  In the blank graphical region sketch the graph of .

(14)