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First x which satisfies x-3>0

by Cinitiator
Tags: satisfies, x3>0
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Cinitiator
#1
Feb23-12, 02:19 PM
P: 118
1. The problem statement, all variables and given/known data
What's the first x value which satisfies x-3>0?


2. Relevant equations
x-3>0

3. The attempt at a solution
3 + an infinitesimal number would satisfy this, but I have no idea how to write it down in a proper algebraic form.
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Mark44
#2
Feb23-12, 02:30 PM
Mentor
P: 21,249
Quote Quote by Cinitiator View Post
1. The problem statement, all variables and given/known data
What's the first x value which satisfies x-3>0?


2. Relevant equations
x-3>0

3. The attempt at a solution
3 + an infinitesimal number would satisfy this, but I have no idea how to write it down in a proper algebraic form.
What is x? Is it an integer, a rational, a real?
Cinitiator
#3
Feb23-12, 02:31 PM
P: 118
Quote Quote by Mark44 View Post
What is x? Is it an integer, a rational, a real?
x is a real number.

Mark44
#4
Feb23-12, 02:34 PM
Mentor
P: 21,249
First x which satisfies x-3>0

There is no smallest real number that is greater than 3.


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