Write the partial fraction decomposition of the rational expression.

A.  +  + 
B.  +  + 
C.  +  + 
D.  +  + 


Answer: B

Mathematics

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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos(4t)i  + 2ln(t - 9)j - k

A. v(0) = -4i - j
B. v(0) = 4i - j
C. v(0) = -j
D. v(0) = j

Mathematics

Write the compound statement in symbolic form. Let letters assigned to the simple statements represent English sentences that are not negated. Use the dominance of connectives to show grouping symbols (parentheses) in symbolic statements.I change the station if and only if it's not true that both I like the song and the DJ is entertaining.

A. r ? ~(p ? q) B. r ? ~(p ? q) C. r ? (~p ? q) D. (r ? ~p) ? q

Mathematics

Change the mixed number to an improper fraction.23

A. 253
B.
C. 34
D.

Mathematics

Select the more reasonable temperature for the item.Making hot tea83°C83°F

A. 83°C B. 83°F

Mathematics