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 - 40x + 144. Find the number of automobiles that must be produced to minimize the cost.
A. 64 thousand automobiles
B. 4 thousand automobiles
C. 20 thousand automobiles
D. 8 thousand automobiles
Answer: B
Mathematics
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Graph the function.f(x) = - 
x2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 3200(2)x, where x is time in days. Find the number of bacteria when 
and 
A. 3200; 25,600 B. 6400; 51,200 C. 3200; 51,200 D. 3200; 12,800
Mathematics
Find all the factors for the number.63
A. 3, 5, 7, 9, 11, 21, 63 B. 1, 3, 7, 9, 21, 63 C. 1, 3, 5, 7, 9, 11, 21, 63 D. 1, 2, 3, 7, 9, 21, 36, 63
Mathematics
Graph the system of inequalities. Shade the region that represents the points of intersection.
A. 
B. 
C. 
D. 
Mathematics