The total cost function of a firm that produces its product on two assembly lines is given as: TC = 3X2 + 6Y² – XY subject to the constraint: X + Y = 20 The problem facing the firm is to determine the least-cost combination of output on assembly lines X and Y subject to the side condition that total output equal 20 units. (A)Use the Lagrangian multiplier method to determine X and Y that lead to the minimization of TC. (B) Verify that the values of X and Y minimize the TC. (C)Find the TC given the values of X and Y.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter5: Systems Of Equations And Inequalities
Section: Chapter Questions
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The total cost function of a firm that produces its product on two assembly lines
is given as:
TC =
3X2 + 6Y2 — XҮ
subject to the constraint:
X + Y = 20
The problem facing the firm is to determine the least-cost combination of output on assembly
lines X and Y subject to the side condition that total output equal 20 units.
(A) Use the Lagrangian multiplier method to determine X and Y that lead to the minimization
of TC.
(B) Verify that the values of X and Y minimize the TC.
(C)Find the TC given the values of X and Y.
(D) Interpret the value of the Lagrangian multiplier.
Transcribed Image Text:The total cost function of a firm that produces its product on two assembly lines is given as: TC = 3X2 + 6Y2 — XҮ subject to the constraint: X + Y = 20 The problem facing the firm is to determine the least-cost combination of output on assembly lines X and Y subject to the side condition that total output equal 20 units. (A) Use the Lagrangian multiplier method to determine X and Y that lead to the minimization of TC. (B) Verify that the values of X and Y minimize the TC. (C)Find the TC given the values of X and Y. (D) Interpret the value of the Lagrangian multiplier.
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