Determine the accuracy of the measurement; that is, give the number of significant digits for the measurement.3,600 ft
A. 5
B. 1
C. 0
D. -1
E. 2
Answer: E
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Provide an appropriate response.Find the work done by F = (x2 + y2)i - 4xyj in moving a body counterclockwise around the square with vertices (0, 0), (1, 0), (1, 1), (0, 1).
A. 
B. -5
C. -3
D. - 
Factor the trinomial completely.6x2 - 21x - 12
A. 3(2x + 1)(x - 4) B. (6x - 3)(x + 4) C. 3(2x - 1)(x + 4) D. prime
Solve the problem.A tank initially contains 100 gal of brine in which 40 lb of salt are dissolved. A brine containing 
of salt runs into the tank at the rate of 4 gal/min. The mixture is kept uniform by stirring and flows out of the tank at the rate of 3 gal/min. Find the solution to the differential equation that models the mixing process.
A. y = 4(50 + t) - 
B. y = 4(50 + t) - 
C. y = 2(100 + t) - 
D. y = 2(100 + t) - 
Describe the motion of a particle with position (x,y) as t varies in the given interval 0 ? t ? 2?.
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