mac1147_lecture7_1_b - L7 Solving Inequalities Inequalities...

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77 L7 Solving Inequalities; Inequalities Involving Absolute Value 1. Open Intervals Graphs Interval Notation x a > a x b < < x b < 2. Half-open Intervals x a x b a x b < 3. Closed Intervals a x b 4. All real numbers ( ) \ x −∞ < < +∞
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