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course Mth 151

Ίy۪皟~ۑMassignment #001

Your work has been received. Please scroll through the document to see any inserted notes (inserted at the appropriate place in the document, in boldface) and a note at the end. The note at the end of the file will confirm that the file has been reviewed; be sure to read that note. If there is no note at the end, notify the instructor through the Submit Work form, and include the date of the posting to your access page.

001. `Query 1

College Algebra

09-05-2007

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08:47:13

Query 2.1.12 counting #'s 4 to 14

List the elements of the set.

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RESPONSE -->

{5,6,7,8,....13}

confidence assessment: 3

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08:51:19

query 2.1.24 set builder for set of presidents between LBJ and Clinton

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RESPONSE -->

{Richard Nixon, Gerald Ford, Jimmy Carter, Ronald Reagan, George W. Bush}

confidence assessment: 3

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08:58:02

2.1.40 finite or infinite: set of rat #'s 0 to 1

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RESPONSE -->

finite

confidence assessment: 3

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09:07:58

2.1.48 n(A), A={x|x is a U.S. senator}

What is n(A) and why?

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RESPONSE -->

n(A) = All U. S. Senators. because all the Senators are included.

confidence assessment: 2

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09:09:34

** This notation means all possible values of x such that x is a negative number.

The question is whether the set is well-defined or not.

It is in fact well-defined because there is a definite way to decide whether a given object is an element of the set, because there is a definite way to determine whether an object is a negative number or not.

ALTERNATIVE ANSWER: The set is well-defined because you have a criterion by which you can definitely decide whether something is or is not in the set. **

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RESPONSE -->

Well defined

self critique assessment: 3

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09:10:03

2.1.72 true or false 2 not subset of {7,6,5,4}

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RESPONSE -->

True

confidence assessment: 3

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09:11:40

2.1.84 C={4,10,12}, B={2,4,8,10}

Is it true or false that every element of C is also an element of B?

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RESPONSE -->

false

confidence assessment: 3

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assignment #001

001. `Query 1

College Algebra

09-05-2007

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