Find the series' radius of convergence.
A. ?, for all x
B. 2
C. 0
D. 1
Answer: D
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Evaluate the definite integral. Express the answer in terms of natural logarithms.
A. 
ln
B. 
ln
C. ln
D. ln 2
Solve the problem.How many four-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?
A. 9000 B. 256 C. 8999 D. 10,000
Solve the problem.Two wheels are rotating in such a way that the rotation of the smaller wheel causes the larger wheel to rotate. The radius of the smaller wheel is 
and the radius of the larger wheel is 
Through how many degrees (to the nearest hundredth of a degree) will the larger wheel rotate if the smaller one rotates 
A. 95.73° B. 93.73° C. 93.63° D. 94.73°
Solve the system of equations. If there is no solution to the system, give a reason.
x + 
y = 4 x - y = -2
A. No solution; inconsistent system of equations B. (3, 5) C. (-3, 6) D. (2, 6)