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