Homework Help: math

Posted by Michelle on Tuesday, September 16, 2008 at 8:24pm.

1. give an example of an absolute value inequality whose solution set is the empty set

2. explain why \x+2\ is greater than or = to -4 has all real numbers as its solution set.

please help

math - bobpursley, Tuesday, September 16, 2008 at 8:57pm
abs(anything) is always greater than 0, which is greater than -4

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