Evaluate the integral.
A. 14,000
B. 21,000
C. 7000
D. 10,500
Answer: A
Mathematics
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Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ? L(x, y) at the given point over the given region R.
at 
; R: |x - 2| ? 0.2, |y - 1| ? 0.2
A. |E| ? 9.12384 B. |E| ? 16.72704 C. |E| ? 12.92544 D. |E| ? 13.10328
Mathematics
Find the sum-of-the-years'-digits depreciation fraction for the first year.30 years
A. 
B. 
C. 
D. 
Mathematics
Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. 
B. - 
C. 
D. - 
Mathematics
From the given list, identify the improper fractions.
, 
, 
, 
, 
A. 
, 
, 
, 
B. 
, 
C. 
, 
, 
D. 
, 
, 
, 
, 
Mathematics