Solve the problem.Evaluate 
at (u, v) = (3, 1) for the function z = xy - y2; x = u - v, y = uv.
A. -1
B. 4
C. 5
D. 2
Answer: A
Mathematics
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Approximate the value using a calculator. Express answer rounded to three decimal places.2e
A. 4.718 B. 7.389 C. 5.437 D. 6.581
Mathematics
Find the limit.
(3x5 - 3x4 - 4x3 + x2 + 5)
A. 41 B. -7 C. -167 D. -103
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Use Cramer's Rule, if possible, to solve the system of linear equations. 
A. (-5, -3) B. (3, 5) C. (5, 3) D. (-3, 5)
Mathematics
Use a graphing utility to find or approximate the x-intercepts of the graph of the quadratic function.y = 9k2 - 62k - 7
A. 
, 
B. 
, (7, 0)
C. 
, (9, 0)
D. (-9, 0), (7, 0)
Mathematics