Solve the problem.The production function z for an industrial country was estimated as 
where x is the amount of labor and y the amount of capital. Find the marginal productivity of labor.
A. 8x3y3
B. 6x4y2
C. 3x4y2
D. 4x3y3
Answer: D
Mathematics
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Find projv u.v = 3j, u = 4i + 3k
A. 
i + 
j + 
k
B. 
j
C. 0
D. 
i + 
j
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Use the distributive law to multiply.4(7x + 8)
A. 7x + 32 B. 28x + 32 C. 224x D. 28x + 8
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Use the given feasible region determined by the constraint inequalities to find the maximum possible value of the objective function.f = 3x + 11y subject to the constraints 
A. 323 B. 363 C. 383 D. 343
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Write as repeated multiplication.64
A. 6 ? 6 ? 6 ? 6 ? 6 B. 6 ? 6 ? 6 ? 6 C. 4 ? 6 D. 6 + 6 + 6 + 6
Mathematics