Find the limit, if it exists.
A. 0
B. Does not exist
C. - 1
D. - 2
Answer: D
Mathematics
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Evaluate the integral.
A. 7 tan x + 
tan3 x + C
B. 7(sec x + tan x)5+ C
C. - 
tan3 x + C
D. 
tan3 x + C
Mathematics
Solve the problem.Assume that the profit generated by a product is given by 
where x is the number of units sold. If the profit keeps changing at a rate of 
per month, then how fast are the sales changing when the number of units sold is 1400? (Round your answer to the nearest dollar per month.)
A. $112,250/month B. $3/month C. $4490/month D. $2245/month
Mathematics
Write in the required form.6
; fraction
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.For the joint-cost function c = 3xy + 5x + 2y + 6000 (in $), determine the marginal costs 
and 
when 
and y = 20.
What will be an ideal response?
Mathematics