Solve the problem.A product sells by word of mouth. The company that produces the product has noticed that revenue from sales is given by 
where x is the number of units produced and sold. If the revenue keeps changing at a rate of 
per month, how fast is the rate of sales changing when 800 units have been made and sold? (Round to the nearest dollar per month.)
A. $2263/month
B. $113,137/month
C. $4525/month
D. $6/month
Answer: C
Mathematics
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Compute 
(h ? 0) for the given function.f(x) = 
A. 
B. 0
C. 
D. 
Mathematics
Find the value of the expression without using a calculator.2log27
A. 7 B. 49 C. 128 D. 2
Mathematics
Identify the equation as either an identity or not.
+ 
= 2 csc x
A. Identity B. Not an identity
Mathematics
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Mathematics