 Homework 25Comments
 Exercises taken from Discrete Mathematics and its Applications,
Seventh Edition unless otherwise noted.
 You must show all of your work for each problem!
 Points will be deducted if you do not show all of your work.
 Each problem is generally worth 10 points.
Problems with multiple parts may be assigned more points if there are enough parts or
each part is significant enough.
 The Review Questions are always related to the section that will be discussed on the assignment due date.
DetailsSection  Problem  Notes


2.3  20
 5.3  14
 6.4  6
 9.3  22
 9.5  16  You need to prove that the relation has the three required properties. The complicated thing about this problem is the notationthe relation is ordered pairs of ordered pairs. This might help you think about it correctly: One thing you need to show is that if ((a,b), (c,d)) is in R, then ((c,d), (a,b)) is in R.
  46
 12.1  4a
  6c
  12 


