Find the series' radius of convergence.
A. 1
B. 6
C. ?, for all x
D. 3
Answer: D
Mathematics
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Express the value of the inverse hyperbolic function in terms of natural logarithms.tanh-1 
A. 
ln 13
B. 
ln -13
C. 
ln 143
D. 
ln 1
Mathematics
Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 1
C. 
D. 
Mathematics
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, and rational numbers.The lengths of randomly cut pieces of string (measured to the nearest inch)
A. Rational numbers B. Integers C. Natural numbers
Mathematics
Estimate the slope of the tangent line to the curve at the given point.
A. 1
B. - 
C. -1
D. - 
Mathematics