A 1-mile track has parallel sides and equal semicircular ends. Find a formula for the area enclosed

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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 of the diameter d of the semicircles. What is the natural domain for this function?
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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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