b) If a c) If a a) If a < b and c < d < 0, then ac > bd. ≤ b and c > 1, then |a +c| ≤ b+c|. ≤ b and b ≤ a + c, then a - b ≤ c. < b - & for all & > 0, then a < 0. d) If a

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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prove it using real analysis step by step.  

a) If a < b and c < d < 0, then ac > bd.
b) If a ≤ b and c> 1, then a +c| ≤ b+cl.
c) If a ≤ b and b ≤ a + c, then |a − b] ≤ c.
d) If a < b - & for all & > 0, then a < 0.
-
Transcribed Image Text:a) If a < b and c < d < 0, then ac > bd. b) If a ≤ b and c> 1, then a +c| ≤ b+cl. c) If a ≤ b and b ≤ a + c, then |a − b] ≤ c. d) If a < b - & for all & > 0, then a < 0. -
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