Calculate the arc length of the indicated portion of the curve r(t).r(t) = (9 - 2t)i + (5 + 9t)j + (6t - 9)k, -3 ? t ? 5
A. 242
B. 22
C. 88
D. 968
Answer: C
Mathematics
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Fill in the blank(s) with the appropriate word(s).
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Write the expression in lowest terms.
A. 
B. 
C. 
D. 
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Divide.
÷ 
A. 
B. 
C. 
D. 
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Find the magnitude of the indicated vector.If u = -2i - 6j and v = 3i - 1j, find the magnitude of v - u.
A. 5
B. 
C. 6
D. 5
Mathematics