A firm manufactures a commodity at two different factories, Factory X and Factory Y. The total cost (in dollars) of manufacturing depends on the quantities, and y, produced at each factory, respectively, and is expressed by the joint cost function: C(x, y) = 6x² + 9xy + 8y² + 7800 A) If the company manufactures 150 units at Factory X and 160 units at Factory Y, what are the total Costs of production? Total Costs = $ BY Find an expression for the rate of change of costs with respect to units produced at Factory X. Write your answer as an expression, not an equation (i.e. do not use an = sign). Your expression = C) Find an expression for the rate of change of costs with respect to units produced at Factory Y. Write your answer as an expression, not an equation (i.e. do not use an = sign).

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
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A firm manufactures a commodity at two different factories, Factory X and Factory Y. The total cost (in
dollars) of manufacturing depends on the quantities, and y, produced at each factory, respectively, and
is expressed by the joint cost function:
C(x, y) = 6x² + 9xy + 8y² + 7800
A) If the company manufactures 150 units at Factory X and 160 units at Factory Y, what are the total Costs
of production?
Total Costs = $
BY Find an expression for the rate of change of costs with respect to units produced at Factory X. Write
your answer as an expression, not an equation (i.e. do not use an = sign).
Your expression =
C) Find an expression for the rate of change of costs with respect to units produced at Factory Y. Write your
answer as an expression, not an equation (i.e. do not use an = sign).
Your expression =
D) Find the rate of change of costs with respect to units produced at Factory X when 150 units have been
produced at Factory X and 160 units have been produced at Factory Y.
Rate of change =
E Find the rate of change of costs with respect to units produced at Factory Y when 150 units have been
produced at Factory X and 160 units have been produced at Factory Y.
dollars per unit produced at Y.
Rate of change =
dollars per unit produced at X.
Transcribed Image Text:A firm manufactures a commodity at two different factories, Factory X and Factory Y. The total cost (in dollars) of manufacturing depends on the quantities, and y, produced at each factory, respectively, and is expressed by the joint cost function: C(x, y) = 6x² + 9xy + 8y² + 7800 A) If the company manufactures 150 units at Factory X and 160 units at Factory Y, what are the total Costs of production? Total Costs = $ BY Find an expression for the rate of change of costs with respect to units produced at Factory X. Write your answer as an expression, not an equation (i.e. do not use an = sign). Your expression = C) Find an expression for the rate of change of costs with respect to units produced at Factory Y. Write your answer as an expression, not an equation (i.e. do not use an = sign). Your expression = D) Find the rate of change of costs with respect to units produced at Factory X when 150 units have been produced at Factory X and 160 units have been produced at Factory Y. Rate of change = E Find the rate of change of costs with respect to units produced at Factory Y when 150 units have been produced at Factory X and 160 units have been produced at Factory Y. dollars per unit produced at Y. Rate of change = dollars per unit produced at X.
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