Mathematics 1 Deneme Sınavı Sorusu #1279236

The total cost of A is C (x) = 2.400 + (2 x2 - 120 x) / 3 , where x represents the quantity produced. Which of the following is the production quantity that makes the cost minimum ?


30

40

64

80

24


Yanıt Açıklaması:

Local minimum : C'(x) = 4 x – 120 = 0 ; x = 30 ; C'' (30) = 4 > 0 . pg. 164. Correct answer is A.

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