Solve the problem.Suppose c(x) = x3 - 20x2 + 20,000x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. 10 items
B. 12 items
C. 11 items
D. 9 items
Answer: A
Mathematics
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Multiply.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the missing length to the nearest tenth.
A. c = 10.6 in. B. c = 19.0 in. C. c = 14.0 in. D. c = 20.0 in.
Mathematics
Write the expression in expanded form.ln
A. 4 ln x + 3 ln(6x + 2) - 
ln(x3 + 3) - 2 ln(x - 5) + 5 ln(x + 5)
B. 4 ln x + 3 ln(6x + 2) - 
ln(x3 + 3) + 2 ln(x - 5) - 5 ln(x + 5)
C. ln(x4(6x + 2)3) - ln(
(x - 5)-2(x + 5)5)
D. ln x4 + ln(6x + 2)3 - ln
+ ln(x - 5)2 - ln(x + 5)5
Mathematics
Calculate the average rate of change of the given function over the interval 
.
t (month)246R(t) ($ millions)13.213.812.6?
A. -$300,000 B. -$0 C. $150 D. -$150,000 E. $150,000
Mathematics