Solve the problem.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 $8400.
A. 30 units
B. 80 units
C. 90 units
D. 40 units
Answer: D
Mathematics
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Use l'H
pital's rule to find the limit.
A. - 
B. 0
C. 
D. 
Mathematics
Write the number as a product of a real number and i. Simplify the radical expression.
A. -4i
B. -i
C. ± 4
D. 4i
Mathematics
Use a graphing calculator to find the sum.
Round your answer to three decimal places.
A. 0.056 B. 0.500 C. 2.000 D. 0.667
Mathematics
Find the numerical value of the expression for the given value.
, x = -3
A. 
B. 
C. - 
D. - 3
Mathematics