Suppose that the production function for a product is 
, where x represents the number of work-hours and y represents the available capital (per week). Find the marginal productivity of x.
?
A. 
B. 
C. 
D. 
E. 
Answer: C
Mathematics
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Solve the system by the substitution method. Be sure to check all proposed solutions.x + 4y = 78y = 6x + 7
A. {(-2, -5)} B. {(1, 13)} C. {(3, 25)} D. {(2, 19)}
Mathematics
Solve the equation by factoring.3x2 + 10x = 10(x + 30)
A. {-100, 100} B. {100} C. {-10, 10} D. {10}
Mathematics
Solve the equation. Write the answer in a + bi form.x3 + 8 = 0
A. -2, 1 + 
i, -1 - 
i
B. -2, -1 - 
i, 1 - 
i
C. -2, -1 + 
i, -1 - 
i
D. -2, 1 + 
i, 1 - 
i
Mathematics
Write the percent as a simplified fraction or mixed number.13
%
A. 1366
B. 
C. 136
D. 6
Mathematics