Solve the problem.How much work is required to move an object from x = 0 to x = 3 (measured in meters) in the presence of a constant force of 6 N acting along the x-axis?
A. 2 J
B. 18 J
C. 27 J
D. ?
Answer: B
Mathematics
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Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 43 mph.
A. 10.6 mph B. 5.3 mph C. 4.3 mph D. 44 mph
Mathematics
Simplify.
A. 
B. 
C. 3x + 5y
D. 5x + 3y
Mathematics
Decide if the inequality is true or false.-6 > -8
A. True B. False
Mathematics
The bar graph shows the number of students who flunk Dr. Jones' class each year. 
During which year(s) did Dr. Jones' have more than 9 students flunk his class?
A. 1998, 1999, 2000, 2002 B. 1998, 1999 C. 1998, 1999, 2002 D. 1998, 1999, 2000
Mathematics