45.
46.
The students that participate in either clubs or
sports are represented by the union of the sets.
There are 60
1
20
1
95 or 175 students that
participate in clubs or sports.
47.
The students that do not participate in either
clubs or sports are the students outside the union
of the sets. There are 310 – 175 or 135 students
that do not participate in either clubs or sports.
48.
false
49.
True; Rochester is located on Lake Ontario but
Syracuse is not. The statement is a disjunction, so
it is true.
50.
False; Buffalo is located on Lake Erie, so the
negation of the statement is false.
51.
52.
b; the relationship between Teams A and C is not
known, so statements a and c might not be true.
It is known that every member of Team A is also
a member of Team B so b is true.
53.
Sample answer: Logic can be used to eliminate
false choices on a multiple choice test. Answers
should include the following.
•Math is my favorite subject and drama club is
my favorite activity.
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus

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