作者monemo13 (李孟李孟)
看板Math
标题[微积] 关於函数
时间Thu Jan 20 13:40:13 2011
题目如下：
A 1-mile track has parallel sides and equal semicircular ends.
Find a formula for the area enclosed by the track,A(d),in terms if the
diameter d of the semicircles.
What is the natural domain for this funtion?
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