Solve the following inequalities and express the solutions using interval notation. a) −2 ≤ 8−2x ≤ −1   b)  |2x+1|≥3   c) |2x+5|< 4

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter9: Quadratic Equations And Functions
Section9.8: Solve Quadratic Inequalities
Problem 9.136TI: Solve and write any solution in interval notation: a. x2+3x+30 b. x2+3x+30
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Solve the following inequalities and express the solutions using interval notation.

a) −2 ≤ 8−2x ≤ −1

 

b)  |2x+1|≥3

 

c) |2x+5|< 4

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