Evaluate the line integral along the curve C.ds , C is the curve r(t) = 3ti + (9 cos t)j + (9 sin t)k , 0 ? t ? ?

A.  + 
B. ?2 + 
C. ?
D. ?2 + 81


Answer: B

Mathematics

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Perform the operation indicated. Simplify. - 

A. - 
B.
C. - 
D.

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A.
B.
C.
D.

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Decide whether the function is an exponential growth or exponential decay function and find the constant percentage rate of growth or decay.f(x) = 20,060 ? 0.865x

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