Evaluate the line integral along the curve C.
ds, C is the curve r(t) = (3 sin 4t)i + (3 cos 4t)j + 5tk, 2 ? t ? 4
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.Consider the curves corresponding to polar equations of the form 
where 
Explain how the graph changes as a changes. Identify any values of a for which the basic shape of the curve changes.
What will be an ideal response?
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Find d2y/dx2 without eliminating the parameter.x = 1 - 10sin t, y = 1 + 9cos t, t ? n?
A. - 
sec t
B. - 
sec3t
C. 
cot t
D. - 
sec3t
Mathematics
Change the mixed number to an improper fraction.8
A. 
B. 
C. 
D. 
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Determine if the given value is a solution to the equation. 18.9 + 3.6t = 4.86; -14.4
A. Solution B. Not a Solution
Mathematics