Use Cramer's rule to solve the system. 6x - 7y - z = -53 x - 8y + 9z = 19 -3x + y + z = 11
A. {(8, 9, 8)}
B. {(2, 8, 9)}
C. {(2, -8, -9)}
D. {(3, 6, 9)}
Answer: B
Mathematics
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Compute the gradient of the function at the given point.
p = 
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, domain [-7, ?); g(x) = x2 + 7, domain (-?, ?)
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Solve the proportion.
= 
A. {50}
B. 
C. 
D. {5}
Mathematics