The average student enrolled in the 20-week Court Reporting I course at the American Institute of Court Reporting progresses according to the rule
?
; 
?
where 
measures the rate of change in the number of words/minute of dictation the student takes in machine shorthand after 
weeks in the course. Assuming that the average student enrolled in this course begins with a dictation speed of 61 words/minute, find an expression 
that gives the dictation speed of the student after 
weeks in the course.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
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Solve the problem.Find the centroid of the region bounded above by the sphere 
and below by the plane 
if the density is constant.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 15
D. 
= 0, 
= 0, 
= 
Evaluate the expression for the given replacement values. Write the answer in simplest form.xy for x = 
, y = 
A. 7
B. 
C. 
D. - 
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2
Solve the inequality. Express your answer using interval notation. Graph the solution set.- 
? 
< 
A. 
B. 
C. 
D. 
