Given that the graph of y = f(x) lies between the graphs of y = l(x) and y = u(x) for all x, use the Squeeze Theorem to find 
f(x).u(x) = 
, l(x) = -
, f(x) = x cos (1/x2)
A. -1
B. 
C. 1
D. 0
Answer: D
Mathematics
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focus: (-4, 6)
directrix: x = -8
B. vertex: (6, -6)
focus: (6, -4)
directrix: y = -8
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focus: (-8, 6)
directrix: x = -4
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focus: (6, -8)
directrix: y = -4
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A. Yes B. No
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A. < B. = C. >
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A. x2 - 30x - 31 B. 4x2 - 31x - 54 C. x2 - 54x - 30 D. 4x2 - 30x - 54
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