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Lecture 2
Review HW
Absolute value
•
x  a = distance from x to a.
•
x + a = distance from x to ( a).
Proof.
x + a = x  ( a)
•
mx + b =
distance from mx to ( b)
HW: Page 10: 15, 18, 21, 23, 24
Comment on absolute value function.
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Unformatted text preview: Real numbers • Show that there is a rational between any two real numbers. • Show that there is an irrational between any two real numbers. More real numbers than rationals?...
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This note was uploaded on 11/23/2011 for the course MATH 1551 taught by Professor Malisoff during the Fall '08 term at LSU.
 Fall '08
 MALISOFF
 Calculus, Real Numbers

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