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标题: gwd4-34 [打印本页]

作者: ghfgss231 时间: 2005-10-28 06:35 标题: gwd4-34

Q34:

The number n of units of its product that Company X is scheduled to produce in month t of its next fiscal year is given by the formula n =900/[(1+c2^(-t)], where c is a constant and t is a positive integer between 1 and 6, inclusive. What is the number of units of its product that Company X is scheduled to produce in month 6 of its next fiscal year?

(1) Company X is scheduled to produce 180 units of its product in month 1 of its next fiscal year.

(2) Company X is scheduled to produce 300 units of its product in month 2 of its next fiscal year.

请指教，多谢！！！

作者: sammen 时间: 2005-10-28 12:25

D,把条件1里得t=1带入就可以得到C这个常数,就可以求n了.条件2同理.

作者: himba 时间: 2005-10-29 06:45

对1),就是已知900/(1+c*2^(-1)) = 180,求900/(1+c*2^(-6)).所以是充分的;同理2)也充分

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