Find the derivative of y with respect to the independent variable.y = (ln 7?)?
A. 
(ln 7?)?-1
B. ?(ln 7?)?-1
C. (7?)? ln ?
D. 
(ln 7?)?-1
Answer: D
Mathematics
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A. 0 B. -46 C. 1 D. 46
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Solve the problem.The number of books in a small library increases according to the function B = 5900e0.04t, where t is measured in years. How many books will the library have after 7 years?
A. 7510 books B. 11,242 books C. 3262 books D. 7806 books
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A piece of tin, 
inches on a side, is to have four equal squares cut from its corners, as in the illustration. If the edges are then to be folded up to make a box with a floor area of 81 square inches, find the depth of the box.
?
?
A. 11 in B. 13 in C. 6 in D. 12 in E. 9 in
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Find -x for the given value of x.x = 
A. - 
B. 0
C. 2
D. 
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