Solve the problem.Suppose that the revenue from selling x radios is r(x) = 60x - 
dollars. Use the function r '(x) to estimate the increase in revenue that will result from increasing production from 110 radios to 111 radios per week.
A. $38.00
B. $82.00
C. $49.00
D. $37.80
Answer: A
Mathematics
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