Precalc0011to0016-page15

Precalc0011to0016-pa - < 3 … in graphical form is … in interval form is ± 1 3 • The solution set is the set of numbers that lie strictly

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(Section 0.12: Solving Inequalities) 0.12.4 Example 2 (Solving an Absolute Value Inequality; Related to Section 0.11, Example 8) Solve x ± 1 < 2 . § Solution x ± 1 < 2 ± 2 < x ± 1 < 2 We can add 1 to all three parts of this compound inequality . ± 1 < x < 3 The solution set … in set-builder form is: x ± ± ² 1 < x < 3 {} , or x ± ± : ² 1 < x
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Unformatted text preview: < 3 { } … in graphical form is: … in interval form is: ± 1, 3 ( ) • The solution set is the set of numbers that lie strictly within two units of 1 on the real number line. This is consistent with our discussion of absolute value and distance in Section 0.4. §...
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This document was uploaded on 12/29/2011.

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