Find the flux of the curl of field F through the shell S.F = (8 - y)i + (6 + x)j + z4k; S is the upper hemisphere of x2 + y2 + z2 = 81
A. -4?
B. 324?
C. 2?
D. 162?
Answer: D
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When the graph of directed distance is a horizontal line, what can be said about the graph of velocity?
A. It lies above the horizontal axis. B. It lies below the horizontal axis. C. It lies on the horizontal axis. D. The graph of velocity is increasing.
Graph the linear function.f(x) = -4x
A. 
B. 
C. 
D. 
AdriAnne and Anna's Auto Repair wants to add a new service bay. How much can they borrow at an annual rate of 5%, compounded quarterly, if the desired quarterly payment is $6,100? Assume a loan period of 4.5 years. Round your answer to the nearest cent. ?
A. $107,355.83 B. $67,583.80 C. $97,780.25 D. $87,963.78 E. $77,900.37
The displacement d (in meters) of an object at time t (in seconds) is given. Describe the motion of the object. What is the maximum displacement from its resting position, the time required for one oscillation, and the frequency?d = 7 - 3 sin (?t)
A. simple harmonic; 7 m; 2 sec; 
oscillation/sec
B. simple harmonic; 3 m; 
sec; 2 oscillations/sec
C. simple harmonic; 3 m; 2 sec; 
oscillation/sec
D. simple harmonic; -3 m; 2 sec; 
oscillation/sec