Question: Select the answer 1. Let C be a curve with a vector equation r(t) = 4 cos(t), 4 sin(t), 3t where 0 t 4 .

Select the answer 1. Let C be a curve with a vector equation r(t) = 4 cos(t), 4 sin(t), 3t where 0 t 4 . What is the (2) arc length of C? A. C. 45 B. 38( 2+ln(1+ 2)) D. 25 4

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