Solve.If the cost, C(x), for manufacturing x units of a certain product is given by 
, find the number of units manufactured at a cost of $9000.
A. 120 units
B. 100 units
C. 50 units
D. 30 units
Answer: B
Mathematics
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A. yes B. no
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Express the given number in exponential form.-8 + j
A. 8.06e-0.124j B. 8.06e-1.45j C. 8.06e3.02j D. 8.06e1.70j
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Solve.7x + 9 = -5 + 10x
A. x = 
B. x = - 
C. x = 
D. x = 
Mathematics
For what values of x does the series converge absolutely?
A. -1 ? x < 1 B. -1 ? x ? 1 C. -1 < x ? 1 D. -1 < x < 1
Mathematics