Calculate the flux of the field F across the closed plane curve C.F = (x+y)i + xyj; the curve C is the closed counterclockwise path around the rectangle with vertices at 
and 
A. 9
B. 12
C. 39
D. 45
Answer: A
Mathematics
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If a function has constant percentage increase, then its graph shows exponential growth.
Answer the following statement true (T) or false (F)
Mathematics
Write an equation of the line passing through the given points.(0, 0) and 
A. y = 
B. y = 8x
C. y = 
x
D. y = 8
Mathematics
Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (0, -15), (0, 15); F: (0, -9), (0, 9) B. V: (0, -15), (0, 15); F: (0, -12), (0, 12) C. V: (-15, 0), (15, 0); F: (-12, 0), (12, 0) D. V: (-15, 0), (15, 0); F: (-9, 0), (9, 0)
Mathematics
Represent the shaded area in the figure group with an improper fraction.
A. 
B. 2
C. 
D. 1
Mathematics