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. 14x6y6
B. 12x7y5
C. 7x6y6
D. 6x7y5
Answer: C
Mathematics
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A. 60% B. 37.5% C. 62.5% D. 50%
Mathematics
Verify the identity.tan
= -cot x
What will be an ideal response?
Mathematics
Solve the inequality by using the graph of the function.f(x) > 0, where f(x) = (x + 5)(x + 2)(x + 1).
A. (-?, -2) B. (-1, ?) C. (-?, -5) ? (-2, -1) D. (-5, -2) ? (-1, ?)
Mathematics
Factor the polynomial completely.(x + 8)2 - 12(x + 8) + 35
A. (x2 - 8x + 7)(x2 - 8x + 5) B. (x2 + 8x - 7)(x2 + 8x - 5) C. (x + 1)(x + 3) D. (x + 15)(x + 13)
Mathematics