For problems 4-15, perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. none of these
Answer: B
Mathematics
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Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 5
D. Diverges
Mathematics
Solve the system of equations. If the system has infinitely many solutions, let the last variable be the arbitrary variable.x + y + z = 92x - 3y + 4z = 7
A. 
B. 
C. 
D. 
Mathematics
Find a polynomial of degree 3 with real coefficients that satisfies the given conditions.Zeros: 3, i, -i; f(2) = 20
A. -4x3 + 12x2 + 4x - 12 B. 4x3 - 12x2 + 4x - 12 C. -4x3 + 12x2 - 4x + 12 D. 4x3 - 12x2 - 4x + 12
Mathematics
Solve the system by elimination.8x + 5y = 39
x + y = 
A. {(-8, -5)} B. {(-5, 8)} C. {(5, 8)} D. {(8, -5)}
Mathematics