Find an equation in standard form for the ellipse that satisfies the given conditions.The vertical major axis is of length 18, and the minor axis is of length 6.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Graph each set of numbers.
, 4, 
, -5
A. 
B. 
C. 
D. 
The total weekly revenue (in dollars) of the Country Workshop realized in manufacturing and selling its rolltop desks is given by
?
?
where x denotes the number of finished units and y denotes the number of unfinished units manufactured and sold each week. The total weekly cost attributable to the manufacture of these desks is given by
?
?
dollars. Determine how many finished units and how many unfinished units the company should manufacture each week in order to maximize its profit. What is the maximum profit(P) realizable?
?
A. x = 220; y = 80; P = 12,045
B. x = 80; y = 220; P = 12,045
C. x = 300; y = 0; P = 11,800
D. x = 220; y = 80; P = 11,800
Solve the equation.
= 9
A. {81} B. {86} C. {196} D. {76}
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No