Solve.Suppose the dollar cost to produce n items in a factory is 
Furthermore, the number of items n produced in x hours is 
Find c[n(x)], which is the composite function that defines the dollar cost in terms of the number of hours of production x.
A. c[n(x)] = 18x + 8
B. c[n(x)] = 18x + 48
C. c[n(x)] = 9x + 48
D. c[n(x)] = 9x + 8
Answer: A
Mathematics
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