Find an equation for the ellipse described.Foci at (-4, 5) and (-4, -1); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Find the area of the specified region.Inside the circle r = a sin? and outside the cardioid r = a(1 - sin ?), a > 0
A. 
(4? - 3
)
B. 
(2? - 3
)
C. 
(6 - ?)
D. 
(3
- ?)
Mathematics
Sketch a sample of vectors for the given vector field F.F(x, y, z) = zk
What will be an ideal response?
Mathematics
Subtract.(-4a5 - 18a2) - (-13a5 + 13a2)
A. 9a5 - 5a2 B. 9a5 - 31a2 C. -17a5 - 5a2 D. -22a7
Mathematics
Use a CAS to perform the integration.
A. 
B. 
C. 
D. 
Mathematics