Find the partial derivative.Find gx(2, 1) when g(x, y) = ln .

A.
B.
C.
D.


Answer: A

Mathematics

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Find the torsion of the space curve.r(t) = (2t - 5)i + (t2 - 1)j + 5k

A. ? = 1 B. ? = 0 C. ? = -1 D. Undefined

Mathematics

Find the exact circular function value.sin 

A.
B. - 
C. - 
D.

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Solve the problem.Company X produces widgets. The annual cost of materials last year was  The labor costs were  Utilities and operations costs for the plant were  The company received  in revenue from the sales of the widgets. What was the profit?

A. $340,449 B. $358,221 C. $457,627 D. $1,792,487

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Solve the equation.g + 28.14 = 0

A. -29.14 B. -28.14 C. 29.14 D. 28.14

Mathematics