Solve the problem.Suppose that the labor cost for a building is approximated by 
where x is the number of days of skilled labor and y is the number of days of semiskilled labor required. Find the minimum labor cost.
A. $28,260
B. $26,900
C. $20,420
D. $19,740
Answer: C
Mathematics
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Solve the problem.What is the meaning of "unearned" interest?
What will be an ideal response?
Mathematics
Solve the problem.Find any local extrema (maxima, minima, or saddle points) of 
given that 
and 
A. Local maximum at 
B. Local minimum at 
C. Local minimum at 
D. Saddle point at 
Mathematics
Find the indicated term or coefficient of the binomial expansion.Find the coefficient of x2 in the expansion of (3x - 2)11.
A. 126,720 B. -253,440 C. -84,480 D. 658,948
Mathematics
Find the intercepts for the graph of the equation.x + y = -3
A. (-3, 0); (0, -3) B. (-3, -2); (-1, -3) C. (0, -1); (0, -2) D. (-1, 0); (-2, 0)
Mathematics