Math 1140 - Nicolas Fourrier

Jan 26, 2012 - Let U = {all people}, S = {people who like strawberry ice cream}, V = {people who like vanilla ice cream} and C = {people who like chocolate ice ...
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MATH 1110 - Section 001

Spring 2012

Quiz 01 Name:

January 26, 2012

Directions: Write legibly, the use of documents is forbidden, giving or receiving aid on this assignement is forbidden. You will get zero if any of these happen.

1. Let U = {all people}, S = {people who like strawberry ice cream}, V = {people who like vanilla ice cream} and C = {people who like chocolate ice cream}. Describe the following sets using set-theoretic notation. • {people who don’t like strawberry ice cream} • {people who like vanilla but not chocolate ice cream} • {people who like vanilla or chocolate but not strawberry ice cream} • {people who don’t like any of the three flavors of ice cream} • {people who like neither chocolate nor vanilla ice cream} • {people who like only strawberry ice cream} 6 points

Answer • S0 • V ∩ C0 • (V ∪ C) ∩ S 0 • V 0 ∩ C0 ∩ S0 • C0 ∩ V 0 • S ∩ C0 ∩ V 0 2. Determine if the statement is true or false. 5 ∈ {2, 5, 7}

5∈∅

{b, c} ⊆ {b, c}

0 ∈ {1, 2, 3}

4 points

Answer True

False

True

False