For what values of x does the series converge absolutely?
A. -11 ? x < -9
B. -11 ? x ? -9
C. -11 < x < -9
D. -11 < x ? -9
Answer: C
Mathematics
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A. tan-1 
+ C
B. sinh-1 
+ C
C. sin-1 
+ C
D. cosh-1 
+ C
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A. 
B. 
C. 
D. {-4, 5}
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A. 51.6% B. 6.7% C. 6.3% D. 93.8%
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Evaluate the expression.csc(csc-1 -2)
A. 
B. - 
C. -2
D. 
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