#ATTENDANCE QUIZ FOR LECTURE 3 of Dr. Z.'s Math454(02) Rutgers University

# Please Edit this .txt page with Answers

#Email  ShaloshBEkhad@gmail.com 
#Subject: p3
#with an attachment called
#p3FirstLast.txt
#(e.g. p3DoronZeilberger.txt)

#Right after finishing watching the lecture but no later than Sept. 14, 2020, 8:00pm


Q1. THE FIRST ATTENDANCE QUESTION WAS:
What is a derangement 


A1. MY ANSWER TO THE FIRST ATTENDANCE QUESTION IS:
if a permutation doesn't have any fixed points then ti is a derangement 


Q2. THE  SECOND ATTENDANCE QUESTION WAS:
Give two examples of WtoS and StoW


A2. MY ANSWER TO THE  SECOND ATTENDANCE QUESTION IS:
WtoS([0,1,0,0,1,0]) = {2, 5}
StoW({2,5}, 6) = [0, 1, 0, 0, 1, 0]

WtoS([0,1,0,0,1,0,1]) = {2, 5, 7}
StoW({2,5,7},7) = [0, 1, 0, 0, 1, 0, 1]


Q3. THE  THIRD ATTENDANCE QUESTION WAS:


A3. MY ANSWER TO THE  THIRD ATTENDANCE QUESTION IS: