College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.7 - Solving Inequalities - 1.7 Exercises - Page 148: 50

Answer

$(-1,+\infty)$

Work Step by Step

$(x+3)^{2}(x+1)\gt0$ These are zero when x=-1, x=-3. These numbers divide the real line into the intervals $(-\infty,-3)(-3,-1)(-1,+\infty)$ Ussing the test points to determine the sign of each factor in each interval:
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