Find the interval of convergence of the series.
A. -? < x < ?
B. x < 3
C. 1 < x < 3
D. 1 ? x < 3
Answer: D
Mathematics
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Completely factor the polynomial or state that the polynomial is prime.x3 + 18x2 + 81x
A. prime B. x(x + 9)(x - 9) C. x(x + 9)2 D. x(x - 9)2
Mathematics
Find the solution or solutions, if any exist, to the system.
A. x = 0, y = 1, z = -3 B. x = 0, y = -1, z = -3 C. infinitely many solutions of the form x = 4 + z, y = -18 - 2z, z = z D. inconsistent system, no solution
Mathematics
Graph the function.Use the graph of f(x) = ex to obtain the graph of g(x) = 
ex.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the sequence is arithmetic.1, -3, 9, -27, 81, . . .
A. Arithmetic B. Not arithmetic
Mathematics