Evaluate the line integral along the curve C.ds , C is the curve r(t) = 3ti + (6 cos t)j + (6 sin t)k , 0 ? t ? ?

A. ?2 + 18
B. ?2 + 36
C. ?
D.  + 18

Answer: A

Mathematics

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A. x-intercept:  , y-intercept: (0, 2) ;

B. x-intercept:  , y-intercept: (0, 2) ;

C. x-intercept:  , y-intercept: (0, 2) ;

D. x-intercept:  , y-intercept: (0, 2) ;

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Perform the requested composition or operation.Find (f ? g)(-4) when f(x) = -5x - 6 and g(x) = 6x2 - 8x - 1.

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