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Bob Dylan
Questions (1)
The monthly revenue achieved by selling x wristwatches is figured to be x(40-0.2x)dollars. The wholesale cost of each watch is
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Answers (4)
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I can't understand how part a. could be either 8 or 32. How could it be more than one answer?
Perhaps for b you do the vertex -b/2a? but I get 30 is that right?
How do you know that it is supposed to have an a in front?
