t²-t-20 t-1 1²-5t-6 t+2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 91RE
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part D E

c)
d)
t²-4
2t-3
t²-t-20
t-1
1²-5t - 6
t + 2
Transcribed Image Text:c) d) t²-4 2t-3 t²-t-20 t-1 1²-5t - 6 t + 2
12. Determine the values of the variable for which the following rational functions are 0,
positive or negative.
a)
b)
(r-8) (r + 7)
T-4
2 _ 1
되고
2r
Transcribed Image Text:12. Determine the values of the variable for which the following rational functions are 0, positive or negative. a) b) (r-8) (r + 7) T-4 2 _ 1 되고 2r
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