Provide an appropriate response.If xy2 = 4 and dx/dt = -5, then what is dy/dt when x = 4 and y = 1?

A. - 
B. - 
C.
D.


Answer: D

Mathematics

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Evaluate the definite integral using the definition.

A. 12 B. 72 C. 18 D. 36

Mathematics

Evaluate the improper integral or state that it is divergent.

A. Divergent B. 0.434 C. 1.569 D. -1.569

Mathematics

Solve the problem.Find cos 2?. sin ? = , ? lies in quadrant I.

A.
B. - 
C.
D. - 

Mathematics

The matrix is the final matrix form for a system of two linear equations in variables x1 and x2. Write the Solution of the system.

A. x1 = 3 x2 = 5 B. x1 = -5 x2 = -3 C. x1 = 5 x2 = t for any real number t D. x1 = 5 x2 = 3

Mathematics