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. - 32
B. 32
C. 0
D. 64
Answer: C
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The triangles shown in the illustration are congruent. The sides of the triangles are 
, 
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.
So 
.
Answer the following statement true (T) or false (F)
Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(2, -1)
A. Quadrant III
B. Quadrant I
C. Quadrant II
D. Quadrant IV
Perform the operation using trigonometric form. Write the answer in the form a + bi(6
- 6i)(2i)
A. 1 + 
i
B. 12
+ 12i
C. 12 + 12
i
D. 12
i
Tell whether the statement is true or false. If false, give the reason.{6} = {x|x is an even counting number between 8 and 14}
A. True B. False; 6 is less than 8 C. False; 6 is a set, and not an element of the set. D. False; 6 is less than 14