COS 550 F08 HW #4 DUE Friday 10/03/08
p. 31 Problem  1,       10 points
p. 32 Problem  6,       20 points
p. 32 Problem  7,       15 points
p. 36 Problem  7,       10 points
p. 37 Problem 10,       15 points
p. 43 Problem  2,       10 points
p. 47 Problem  1,       10 points
p. 47 Problem  6,       10 points
********** Problem Notes *********,
For p. 31 problem 1 and p. 36 problem 7, write programs in L and run them 
on your simulator to support your answers. Be sure to submit your listings 
and output.

For the recursive function problems, write the definitions in some 
computer language and display the output and sample run to show that you 
have defined the functions correctly