Quiz 8 solutions.docx - Quiz 8 solutions f x y =22 x 222 xy...

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Quiz 8 solutions f ( x , y ) = 22 x 2 22 xy + 11 y 2 110 x + 44 y 23   foc f x = 44 x 22 y 110 = 0   f y =− 22 x + 22 y + 44 = 0   x ¿ = 3  and  y ¿ = 1 soc f xx = 44  >0 f yy = 22  >0 f xy =− 22   f xx f yy > f xy 2     44 x 22 > ( 22 ) 2 relative min
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The ELC Corporation manufactures two industrial-sized electrical devices: generators and  alternators. Both of these products require wiring and testing during the assembly process.  Each generator requires 5 hours of wiring and 2   hour of testing and can be sold for a $420  profit. Each alternator requires 2 hours of wiring and 1 hours of testing and can be sold for a 
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