The correct answers are:
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[B]: (0, -2) ;
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[D]: (4, 2) ;
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[F]: (-1, -6) .
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2/6
because after you take one quarter out you have a total of 6 left & you have 3 delaware ones and you already have 1 delaware one out of your pocket it makes it 2/6
Since it turns downwards (the shape on an "n", it is a maximum point)
Maximum point occurs at (-2, 1)
Answer: (B) (-2, 1) maximum
