Evaluate the improper integral.

A.
B. 80(ln 80 - 2)
C. 80(ln 80 - 1)
D.

Answer: B

Mathematics

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Find the length of the indicated portion of the trajectory.r(t) = (1 + 2t)i + (1 + 7t)j + (4 - 4t)k, -1 ? t ? 0

A. 2
B.
C.
D.

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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges. +  +  + ... +  + ...

A. ; 
B. ; 
C. ; 
D. ; 

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Find the integral using tables of integrals. 

A. -  sin4 5x cos 5x -  sin2 5x cos 5x -  sin 10x +  + C
B. -  sin4 5x cos 5x -  sin2 5x cos 5x -  cos 5x + C
C. -  sin4 5x cos 5x -  sin2 5x cos 5x -  cos 5x + C
D. -  cos4 5x sin 5x -  cos2 5x sin 5x -  cos 5x + C

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Find the value for the function.Find f(x + h) when f(x) = .

A.
B.
C.
D.

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