Solve the system of equations using the inverse of the coefficient matrix.
A. x = 4, y = -3
B. x = -3, y = 4
C. x = 3, y = -4
D. x = -4, y = 3
Answer: A
Mathematics
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Assume x and y are functions of t. Evaluate dy/dt.xy2 = 4; 
= -5, x = 4, y = 1
A. 
B. 
C. - 
D. - 
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