Find the series' radius of convergence.
A. 0
B. ?, for all x
C. 2
D. 1
Answer: D
Mathematics
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Solve.Seven times some number, added to 7, amounts to -5 added to the product of 4 and the number. Find the number.
A. -4 B. 4 C. 12 D. -12
Mathematics
Evaluate the integral.
dt
A. 
- 
B. 56
C. 7 ln 8
D. 8
Mathematics
Identify the curve as simple, closed, both, or neither.
A. Simple B. Closed C. Both D. Neither
Mathematics
Given f(x) and g(x), perform the indicated operation.f(x) = 5x2 + 33x - 56; g(x) = x+ 8Find 
(x).
A. 5x - 7
B. x - 7
C. 5x + 7
D. 5x - 7 + 
, x ? 7
Mathematics