Solve the problem.The cost, in millions of dollars, for a company to manufacture x thousand automobiles is given by the function 
Find the number of automobiles that must be produced to minimize cost.
A. 45 thousand automobiles
B. 3 thousand automobiles
C. 9 thousand automobiles
D. 6 thousand automobiles
Answer: B
Mathematics
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The slope of a line is the run over the rise.
Answer the following statement true (T) or false (F)
Mathematics
Use the Venn diagram below to find the number of elements in the region.
n((A ? B) ? C)
A. 14 B. 15 C. 33 D. 11
Mathematics
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the x-axis. Use the method of disks.y = 
, y = 0, x = 0, x = 6
A. 3? B. 12? C. 18? D. 6?
Mathematics
Solve the inequality. Express your answer using interval notation.8x + 5 > 7x + 8
A. (13, ?)
B. [3, ?)
C. (3, ?)
D. (-?, 3]
Mathematics