a. If x ER and x-2 ≤ 3, then x < 2 or x ≥ 3. b. For every non-zero real number x, there exists a real number y such that xy = -2. c. 3¹+2 is prime for all positive integers n.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.2: Properties Of Division
Problem 50E
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Question #1. Prove or disprove. 

a. If x ER and
x
x-2
C.
≤ 3, then x < 2 or x ≥ 3.
b. For every non-zero real number x, there exists a real number y such that xy = -2.
3¹ + 2 is prime for all positive integers n.
Transcribed Image Text:a. If x ER and x x-2 C. ≤ 3, then x < 2 or x ≥ 3. b. For every non-zero real number x, there exists a real number y such that xy = -2. 3¹ + 2 is prime for all positive integers n.
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