Solve the equation.
+ 5 = x
A. {9}
B. {2}
C. {9, 18}
D. {2, 9}
Answer: A
Mathematics
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Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (2cos t)i + (2sin t)j + 7tk
A. 
t
B. 
t
C. 
t
D. 
t
Mathematics
The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 3t2 + 2t + 3, 0 ? t ? 2Find the body's displacement and average velocity for the given time interval.
A. 10 m, 14 m/sec B. 22 m, 11 m/sec C. 16 m, 8 m/sec D. 16 m, 16 m/sec
Mathematics
Find the area.
A. 12
m2
B. 25 m2
C. 11
m2
D. 22
m2
Mathematics
Answer true or false.{16 }? {15, 13, 12, ..., 1}
A. True B. False
Mathematics