Solve.x2 - 2y2 = 2xy = 2
A. (2, 1), (-2, -1), (i
, -i
), (-i
, i
)
B. (2, 1), (-2, -1), (i
, i
), (-i
, -i
)
C. (2, 1), (-2, -1)
D. (i
, -i
), (-i
, i
)
Answer: A
Mathematics
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A. y = 
+ e2t + Ce-2t
B. y = 
+ Ce2t
C. y = 15 + Ce2t
D. y = 
+ Ce-2t
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A. 39 B. 78 C. 26 D. 13
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Evaluate for the given values.x - z; x = 7.4, z = 0.83
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Solve the problem.Find the point of diminishing returns (x, y) for the function 
, 
, where R(x) represents revenue in thousands of dollars and x represents the amount spent on advertising in tens of thousands of dollars.
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Mathematics