a. A company’s cost function for producing two components is given by C(x, y) = x2 + 2y2 − xy The company wishes to minimize its cost given that 2x + y ≥ 22 i. Reformulate the problem into a standard Kuhn-Tucker maximization system.  ii. Determine the Lagrangian for your maximization system. iii. State the Kuhn-Tucker conditions for a feasible solution for your system

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 17EQ
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a. A company’s cost function for producing two components is given by
C(x, y) = x2 + 2y2 − xy
The company wishes to minimize its cost given that
2x + y ≥ 22
i. Reformulate the problem into a standard Kuhn-Tucker maximization system. 
ii. Determine the Lagrangian for your maximization system.
iii. State the Kuhn-Tucker conditions for a feasible solution for your system 
iv. Calculate the minimized cost 
v. How would the minimized cost change if the constraint was decreased to 20?

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