The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. s (m)
What is the body's velocity when t = 8 sec?
A. -4 m/sec
B. 0 m/sec
C. 4 m/sec
D. 3 m/sec
Answer: A
Mathematics
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Find the volume of the indicated region.the region that lies under the paraboloid 
and above the triangle enclosed by the lines 
, and 
A. 1,536 B. 12,288 C. 192 D. 17,408
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State the period of the function and graph.sin 
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
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Solve the problem.Find b so that the line 
is tangent to the circle 
in the first quadrant.
A. 
B. 10
C. 
D. 5
Mathematics