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OpenStudy (nanii215):
explain why |x| + 2 > |x|.
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OpenStudy (jango_in_dtown):
2>0 now add |x| on both sides. then |x|+2>|x|
OpenStudy (jango_in_dtown):
|x| >=0 . so the inequality is justified
OpenStudy (welshfella):
yes recall that |x| the absolute value of x, is always 0 or positive
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