Posted by
**John** on
.

As x ranges over all real values, what is the minimum value of f(x)=|x-123|+|x-456| + |x-789| ?

Wednesday

March 29, 2017
Posted by
**John** on
.

As x ranges over all real values, what is the minimum value of f(x)=|x-123|+|x-456| + |x-789| ?

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