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

A. ; 6
B. ; 6
C. ; 6
D. ; 6


Answer: A

Mathematics

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Solve the problem.The concentration of a certain drug in the bloodstream x hr after being administered is approximately  Use the differential to approximate the change in concentration as x changes from 1 to 1.52.

A. 0.42 B. 0.14 C. 0.18 D. 0.20

Mathematics

Provide an appropriate response.A married person with 4 children is allowed  withholding allowance(s).

A. 2 B. 6 C. 3 D. 4

Mathematics

Write an equivalent expression without negative exponents.

A. - 
B. a4b7
C.
D.

Mathematics

Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 4} and C = {2, 5, 6}. List all the members of the following set. ? 

A. {1, 2, 3, 4, 5, 6}
B. {1, 3, 4, 7}
C. {1, 2, 3, 4}
D. {2, 5, 6}
E.

Mathematics