1. Use the graph of g (x) at the right to answer each question. 10 a) When is g (x) > 0 ? b) When is g (x) >0 ? -6 -4 --2 2 4. c) When is g (x)<0 ? d) When is g (x)<0? -10

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterA: Appendix
SectionA.3: Inequalities
Problem 9E
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1. Use the graph of g (x) at the right to answer each question.
10 TY
a) When is g (x)> 0 ?
b) When is g (x)> 0 ?
-6
-4
-2
c) When is g (x)< 0 ?
15
d) When is g (x)<0?
2. Solve the following inequality algebraically: (x+3) (x-1)(x+1)<0 .
と1,か)
×とと,)
Compare your answer from question 2 to question 1c. What do you notice?
Solve the following inequality using a graph AND algebraically: (5-x)(2x+3) >0
15-x 20
2x+3)20 (z5
5-x 20
2x(x-4)
(x+7)(3x– 5)
onsider the function f (x)=-
a) When does f (x) = 0 ?
b) When is f(x) undefined?
Transcribed Image Text:1. Use the graph of g (x) at the right to answer each question. 10 TY a) When is g (x)> 0 ? b) When is g (x)> 0 ? -6 -4 -2 c) When is g (x)< 0 ? 15 d) When is g (x)<0? 2. Solve the following inequality algebraically: (x+3) (x-1)(x+1)<0 . と1,か) ×とと,) Compare your answer from question 2 to question 1c. What do you notice? Solve the following inequality using a graph AND algebraically: (5-x)(2x+3) >0 15-x 20 2x+3)20 (z5 5-x 20 2x(x-4) (x+7)(3x– 5) onsider the function f (x)=- a) When does f (x) = 0 ? b) When is f(x) undefined?
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