Locate and classify all critical points for the given function.A critical point for f(x,y) = xy + 
+ 
is 
Is this a maximum or minimum? What is the value?
A. Minimum value of 3(22/3)
B. Minimum value of 3(21/3)
C. Maximum value of 3(21/3)
D. Maximum value of 3(22/3)
Answer: A
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Find the sum or difference, and write in lowest terms, if necessary.- 
- 
A. 
B. - 
C. - 
D. 
Determine whether the statement is true or false.If 2n - 1 is prime, then 2n-1(2n - 1) is perfect.
A. True B. False
Four heirs (A, B, C, and D) must divide fairly an estate consisting of three items - a house, a cabin and a boat - using the method of sealed bids. The players' bids (in dollars) are:
In the initial allocation, player B
A. gets the boat and an additional $53,500 from the estate. B. gets the house and pays the estate $134,500. C. gets $65,500 cash. D. gets the cabin and an additional $15,500 from the estate. E. none of these
Solve the equation.
?
?
A. 
B. ?
C. ?
D. ?
E. none of these