Evaluate the line integral along the curve C.
ds , C is the curve r(t) = 3ti + (2 cos 2t)j + (2 sin 2t)k , 0 ? t ? 
?
A. 
?2 + 4
B. 
?
C. 
+ 2
D. 
?2 + 2
Answer: D
Mathematics
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Name the highlighted angle using the three-letter form of identification.
A. ?AMJ or ?JMA B. ?M C. ?JMD or ?DMJ D. ?AMI or ?IMA
Mathematics
Express the given vector in terms of the unit vectors i, j, and k. (0,3,-5)
a. 3i - 5j b. i + 3j - 5k c. -5j + 3k d. 3j - 5k e. none of these
Mathematics
Find the indicated composition.f(x) = 5x + 14; g(x) = 5x - 1Find (f ? g)(x).
A. (f ? g)(x) = 25x + 19 B. (f ? g)(x) = 25x + 69 C. (f ? g)(x) = 25x + 9 D. (f ? g)(x) = 25x + 13
Mathematics
Perform the indicated operation. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics