AMC / AIME · Absolute Value · AIME / USAJMO / AMO
Absolute Value: (Proof track.) Give a complete justification. Find the minimum of math.
Cases and graphs.
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**(Proof track.)** Give a complete justification. Find the minimum of .
Hint and answer
Concept to use
Piecewise contests.
Hint
Break the real line at the expression's zeroes and justify each interval.
Answer
8
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