A Store Has Determined That the Weekly Sales of a Product

question 29

Multiple Choice

A store has determined that the weekly sales of a product is related to the number of customers who visit the store and the square feet of shelf space, x, according to the following equation: -20x² - 10C² + 40Cx + 120x - 200C + 600. C represents the hundreds of customers who visit their store. If a store averages 200 customers per week, which of these methods represents the simplest way to determine the optimal number of square feet of shelf space for the product?

• A) Lagrangian functions
• B) Excel Solver
• C) substitution method
• D) solution of simultaneous equations
• E) none of the above

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