Solve the problem.The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function C(x) = 5x2 - 30x + 81. Find the number of automobiles that must be produced to minimize the cost.
A. 6 thousand automobiles
B. 36 thousand automobiles
C. 15 thousand automobiles
D. 3 thousand automobiles
Answer: D
Mathematics
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Find the least common denominator.
and 
A. (x + 4)(x + 2) B. (x + 2)(x - 6) C. (x + 4)(x + 2)(x - 6) D. (x - 4)(x - 2)(x - 6)
Mathematics
Find the value of the objective function at each corner of the graphed region. Use this information to answer the question. 
Objective Functionz = 5x + 6yWhat is the minimum value of the objective function?
A. 60 B. 32 C. 33 D. 0
Mathematics
Determine the prime power representation of the number.66
A. 6 ? 11 B. 22 ? 11 C. 32 ? 2 D. 2 ? 3 ? 11
Mathematics
Evaluate.Evaluate -a + b + (-9) for a = -15 and b = 11.
A. 35 B. 17 C. -13 D. 13
Mathematics