2.x +x? - 8x +3 20 9.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter8: Sequences And Series
Section: Chapter Questions
Problem 11T
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Polynomial Inequalities

Solve each of the following polynomial inequalities by performing a sign analysis. Check your answers using a graphing calculatoror Desmos. If a polynomial is not algebraically factorable, you will have to solve the inequality graphically, completely using the graphing calculator. Draw a sketchof the graph and explainhow you reasoned the solution, if this is the case.

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9.
[-2.414, 0.414] U [1.5, 00)
Transcribed Image Text:9. [-2.414, 0.414] U [1.5, 00)
9.
2x +x2 - 8x + 320
Transcribed Image Text:9. 2x +x2 - 8x + 320
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