Calculate the flux of the field F across the closed plane curve C.F = y2i + x3j; the curve C is the closed counterclockwise path formed from the semicircle 
0 ? t ? ?, and the straight line segment from (-4, 0) to (4, 0)
A. 64
B. 0
C. - 32
D. 32
Answer: B
Mathematics
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For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = sin x, 0 ? x ? 2?
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.
- 0.0756
A. 0.11 B. -0.038 C. -0.0383 D. 0.1129
Mathematics
Find  figure.png)
(x, y, z) for the function h(x, y, z) =  figures 4.png)
cos(y + 3z).
 multiple choice.png)
Mathematics
Solve by completing the square. Give exact solutions. Simplify radicals and reduce.x2 + 3x - 9 = 0
A. 
B. 
C. -3 ± 3
D. 
Mathematics