Convert the equation to the standard form for an ellipse by completing the square on x and y.25x2 + 36y2 - 50x - 216y - 551 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
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Use the sum-of-the-years'-digits method of depreciation. Round to the nearest dollar.Scot Cleaners bought a new trouser press for $7000 and estimates its life at 4 years at which time the salvage value is expected to be $700. Find the amount of depreciation each year.
A. $2520, $1890, $1260, $630 B. $3500, $1750, $875, $175 C. $1575, $1575, $1575, $1575 D. $2800, $2100, $1400, $700
Evaluate the radical function. If the function value is not a real number, state so.If f(x) = 
, find f(5).
A. 8 B. 1 C. 10 D. 2
Find the domain of the function.
A. {x|x ? 8} B. {x|x ? 8} C. all real numbers D. {x|x > 8}
Solve the linear programming problem.A vineyard produces two special wines, a white and a red. A bottle of the white wine requires 14 pounds of grapes and 1 hour of processing time. A bottle of red wine requires 25 pounds of grapes and 2 hours of processing time. The vineyard has on hand 2,198 pounds of grapes and can allot 160 hours of processing time to the production of these wines. A bottle of the white wine sells for $11.00, while a bottle of the red wine sells for $20.00. How many bottles of each type should the vineyard produce in order to maximize gross sales?
A. 76 bottles of white and 42 bottles of red B. 42 bottles of white and 59 bottles of red C. 14 bottles of white and 132 bottles of red D. 132 bottles of white and 14 bottles of red