Math 125      Final   20 points each    April 29, 2004

Instructor:  K.W.Nicholson

 


1. Consider the piecewise continuous function

 

  , Find:

 

a.  

 

b. 

 

c. 

 

d. 

 

 

2.  For the function in the graph: 

 

a.  At which value of x does the limit not exist ?

 

b.  Find  .

 

Evaluate the limit.

 

3.    

 

 

 

 

 

 

 

4.  Write down the graphical definition of the derivative of y = f(x) at (xo, f(xo)).

 

 

 

 

 

 

 

 

5.  Find the equation of the line tangent to

 

x3 y2 - y = 2x at x = 1.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6.  Differentiate:

 

a.

 

 

 

 

 

 

 

 

 

 

 

 

 

b.  y = sin3 4x

 


c.  y = cos (¹/6)

 

 

 

 

 

 

 

 

 

 

 

d.   

 

 

 

 

 

 

 

 

 

e.  y = ln ( tan x)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.  Evaluate the Integral:

 

a. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

b.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

c. 

 

 

 

 

 

 

 

 

 

 

 

 

d. 

 

 

 

 

 

 

 

 

Evaluate the definite Integral

e.
8.  Find x & y intercepts, vertical and horizontal asymptotes, max's, min's, inflection points and sketch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.  Find the area bounded by y = x2 -x , the x axis,

 x = 0 , and x - 4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.  A farmer has 600 ft of fencing.  He plans to make a rectangular pen.  The pen will be beside a barn, and one side of the pen will be the barn and hence needs no fencing.  Find the dimensions of the pen that will have maximum area.