Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.1: Real Numbers
Problem 24E
Related questions
Question
To solve the nonlinear inequality
| x + 2 / x-4 ≤ 0 |
we first observe that the numbers______ (smaller value) and ______(larger value) are zeros of the numerator and denominator. These numbers divide the real line into three intervals. Complete the table.
| Interval |
−∞,
|
|
, ∞
|
||||
| Sign of
x + 2
|
|||||||
| Sign of
x − 4
|
|||||||
| Sign of
(x + 2)/(x − 4)
|
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