Solve the problem.At what interest rate must $4000 be compounded annually to equal $6515.58 after 10 yr? (Round to the nearest percent.)
A. 6%
B. 5%
C. 7%
D. 4%
Answer: B
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Determine if the sequence is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence.0, 7, 14, 28, 42, . . .
A. arithmetic; 56 B. neither C. geometric; 56
Evaluate the piecewise-defined function at the indicated value.f(x) = 
; f(6)
A. 5 B. -18 C. 36 D. 45
Solve the system. Express the solution in the form (x, y, z, w).4x + y - 4z + w = 1-x + 4y + z - 4w = -144x - y + 4z + 4w = 29 x + y - 4z - w = -10
A. {(5, -5, 3, -2)} B. {(-5, -3, 6, 2)} C. {(5, -10, 0, 2)} D. {(-5, 4, 4, 1)}
Find the domain of the rational function.f(x) = 
A. all real numbers except 0 B. all real numbers except 9 C. all real numbers D. all real numbers except 0 and 9