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Use the graph to estimate the vertex and determine whether it is a maximum or minimum point.
Marginal Product
Marginal product is the additional output resulting from the use of one more unit of a variable input, holding other inputs constant.
Fertilizer
Substances used to supply essential nutrients to plants, aiming to enhance growth, yields, and quality of agricultural produce.
Bushels
A unit of volume that is used in dry measure, equal to 32 quarts or approximately 35.2 liters.
Price
The price required to be paid for a product or service.
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