to determine the
maximum or minimum value of the function. The fact that the graph of a quadratic
function has a maximum or minimum value enables us to answer questions
involving optimization, that is, finding the maximum or minimum values in models.
1 Build Quadratic Models from Verbal Descriptions
In economics, revenue R, in dollars, is defined as the amount of money received
from the sale of an item and is equal to the unit selling price p, in dollars, of the item
times the number x of…

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