Find the limit algebraically.
A. -4
B. 4
C. 0
D. does not exist
Answer: A
Mathematics
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 64 - x2 and the x-axis, with density ?(x) = 8x2
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= 0
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Find the exact value by using a half-angle identity.tan 
A. 2 + 
B. -2 + 
C. -2 - 
D. 2 - 
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Solve the equation.(y - 8) - (y + 4) = 7y
A. 
B. 
C. 
D. 
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Use the graph of f to sketch a graph of the inverse of f using a dashed curve.
A. 
B. 
C. 
D. 
Mathematics