MAC 2311      CALCULUS I          EXAM 3A                 Dr. Rapalje --  Seminole State College of Florida

Show all work on separate paper.  Turn in ALL worksheets.   Give all irrational answers in exact (radical) form.   When you use the calculator, say so, and explain what you did.

         1.         Find all critical numbers for

                     Find the maximum and minimum values (if they exist) of f(x) on [-1,2).

        2.         Given in [2,8], find all values of c that satisfy the Mean Value Theorem,

In 3 - 4,     find all critical numbers, intervals increasing/decreasing, relative maximum/minimum points, points of inflection (if any), intervals concave up/down, vertical asymptotes, vertical tangents, sketch the graph. 

         3.         Use the graphing calculator  

         4.         Use first and second derivative tests  .

         5.         Given the table:  

  x

 

-2

 

-1

 

  0

 

  1

 

  f

 

 ∞

 

 1

 

  0

 

  1

 

  f'

 

 ∞

 

 

 

 

 +

  0

 

 f''

 

 ∞

 +

 0

 

 ∞

 

  

 

                      and  

                     Sketch the graph.

                     Identify critical points, relative max and mins, points of inflection, asymptotes, and vertical tangents.

    

         6.         Find each of the following limits:

                     a)               b)  

         7.         Use algebraic methods to find the exact value of the limit:      .

         8.         Use Newton's Method to find the root of

                     Draw a sketch, give the x values.  Is x = 1 a good initial value?     Why or why not?

         9.         Given , find df and Δf when x =2 and Δ x = 0.1.

       10.        The sum of two numbers is 60.  Find the numbers such that the product of the first times the cube of the second is a maximum.

       11.        A farmer has 160 feet of fencing to enclose 2 adjacent rectangular pens.  What dimensions should be used for each pen so that the enclosed area will be a maximum?

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Dr. Robert J. Rapalje Altamonte Springs Campus
Contact me at:   rapaljer@seminolestate.edu
Phone number:  NONE Retired!!
OFFICE:          NONE  
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