Question
Gi s hm cu v hm cung xc xch heo Vit Nam nm 2015 c c lng nh sau: = 171 20 + 20 +
Gi s hm cu v hm cung xc xch heo Vit Nam nm 2015 c c lng nh sau: = 171 20 + 20 + 3 + 2 = 178 + 40 60 Trong : , l lng cu v lng cung xc xch heo c tnh bng nghn kg/nm; , , , ln lt l gi xc xch heo, gi tht b, gi tht g, gi tht heo c tnh bng chc nghn ng/kg, I l thu nhp c tnh bng mi triu ng trong nm. a) Da vo hm cu trn, hy cho bit ngha ca cc h s ng trc , , , ? Xc xch heo l hng ha thng thng hay hng ha cp thp? b) Lng cu xc xch heo s thay i nh th no khi gi tht b tng thm 6 nghn ng/kg =0,6 v cc yu t khc khng i? c) Gi thit rng = 4, = 3 1 3 , = 1,5, I=12,5, hy vit hm cu v cung xc xch heo theo gi? Hy tnh gi v lng xc xch heo cn bng? d) Hy tnh co gin ca cu xc xch heo theo gi tht b ti im cn bng? e) Gi thit rng gi tht b tng thm =0,60, hy cho bit s thay i trong gi v lng xc xch heo cn bng?
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