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試卷名稱：99年 - 99 國立中山大學轉學生招生考試試題_機電系二年級：微積分#122156
年份：99年
科目：研究所、轉學考(插大)-微積分
1. The rate of depreciation 
of a machine is inversely proportional to the square of t + 2, where V is the value of the machine t years after it was purchased. The initial value of the machine was $500,000, and its value decreased $100,000 in the first year. Estimate its value after 6 years. Round your answer to the nearest integer.
(A) $500,000
(B) $275,000
(C) $550,000
(D) $475,000
(E) $350,000
