Find an equation for the ellipse described.Focus at (0, -2); vertices at (0, ±7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
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Solve the problem.A rectangular box is to be inscribed inside the ellipsoid 
Find the largest possible volume for the box.
A. 15
B. 18
C. 16
D. 12
Find two paths of approach from which one can conclude that the function has no limit as (x, y) approaches (0, 0).f(x, y) = 
What will be an ideal response?
Provide an appropriate response. Solve the given problem: Joe has a new swimming pool in his back yard. If Joe used his hose alone it would take 40 hours to fill the pool. His neighbor, Dan, has a cistern and Dan's hose would take 60 hours by itself. If Joe uses both hoses, how long would it take to fill the pool?
A. 18 hours B. 24 hours C. 10 hours D. 100 hours
Perform the requested evaluation.Given f(x) = (x - 9)2, find f(8).
A. 289 B. -1 C. -2 D. 1