Find absolute minimum/maximumm points of continuous functions over closed intervals.
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Problem

Let g, left parenthesis, x, right parenthesis, equals, 2, x, start superscript, 3, end superscript, minus, 21, x, start superscript, 2, end superscript, plus, 60, x.
What is the absolute maximum value of g over the closed interval open bracket, 0, comma, 6, close bracket?
Please choose from one of the following options.