Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is 
When is the body's velocity increasing?
A. t > 10
B. t > 5.5
C. t < 5.5
D. t < 10
Answer: B
Mathematics
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A. 3.15 B. 29.735 C. 4.2375 D. 4.9
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and g(x) = 
, find f(x) + g(x).
A. 
B. 
C. 
D. 
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A. {5} B. {-6} C. {-5} D. {6}
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