Write the partial fraction decomposition of the rational expression.

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


Answer: D

Mathematics

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Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(x) = 7x on [1, 7] divided into 3 subintervals

A. 588 B. 98 C. 196 D. 392

Mathematics

Find the curvature of the space curve.r(t) = -6i + (8 + 2t)j + (t2 + 3)k

A. ? = 
B. ? = -  
C. ? = 
D. ? = 

Mathematics

Use a z-Table to determine the percent of data specified. Round to the nearest hundredth.Between z = -2.36 and z = -0.14

A. 43.92% B. 43.49% C. 43.15% D. 43.52%

Mathematics

Solve.The function N(t) =  , t ? 8gives the body concentration N(t), in parts per million, of a certain dosage of medication after time t, in hours.Graph the function on the interval [8, ?) and complete the following:N(t) ?   as t ? ?.

A.

N(t) ? 0.1 as t ? ?.
B.

N(t) ? 1 as t ? ?.
C.

N(t) ? 0 as t ? ?.
D.

N(t) ? 0.086 as t ? ?.

Mathematics