A lab consultant who can help with C251 questions is in LF105 or LF111.

See: www.ius.edu/rwisman/lab for current schedule.

Contact me by email with any questions. I can also usually arrange to meet on campus.

Options:

1. Bring a handwritten homework to class on due date.
    
2. Email Word document HW3.doc to instructor by 13:00 on due date.

The special symbols can be copied from the notes and pasted into Word. Here are some:

$"¬®³¹«£ºÆÏÎÈÍÇ ë û é ù

  76 points total

• Section 2.1 -- pp. 119 120
  • 6 (6 pts)
  • 18 (4 pts)
  • 24 (4 pts)
    where A = {M215, M216, M303, M360} and B = {cbaker, wclang, dshi}
  • Give the power set, P(B), where B is from question 24 (above).
• Section 2.2 -- pp. 130 - 132
  • 2 (4 pts)
  • 4 (4 pts)
  • 14 (2 pts)
  • (4 pts) Prove the second De Morgan law in Table 1 by showing that if A and B are sets, then A Ç B = A È B
    1. by showing each is a subset of the other side
    2. using a membership table
  • 50  (3 pts)
• Section 2.3 -- pp.146 149
  • 4  (4 pts)- Hint: f(123) is 3; f(659) is 9
  • 8 (8 pts)
  • 10 (3 pts)
  • 12 (4 pts)
  • 13 (4 pts)- be sure to tell why
  • 26 (4 pts)
  • 32 (2 pts)
  • 54 (4 pts)- use the ceiling function to compute

   

• Section 2.4 -- pp. 160 163      
  • 2 (4 pts)
  • 14 (4 pts)
  • 18 (4 pts) - b. can be answered by the following JavaScript.

    <script language=javascript>
        sum=0;
        for( i=0;i<=3;i++)
            for(j=0;j<=2; j++)
                  sum=sum+(3*i+2*j);
        document.write(sum);
    </script>