Determine the standard equation of the ellipse described.Focus at (-7, 0); vertices at (-8, 0) and (8, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
You might also like to view...
Find Dxy.y = sech-19x
A. - 
B. - 
C. - 
D. - 
Find the one-sided limit, if it exists.
?
?
A. 4 B. -2 C. -10 D. 5 E. The limit does not exist
Find the simple interest and the final value of the deposit that earns the given rate for the indicated length of time. Round your answers to the nearest cent.$6282 earning 9% for 9 months
A. $471.15; $6753.15 B. $427.60; $6709.60 C. $376.92; $6658.92 D. $424.04; $6706.04
Phillip, the proprietor of a vineyard, estimates that the first 10,000 bottles of wine produced this season will fetch a profit of $4/bottle. However, the profit from each bottle beyond 10,000 drops by $0.0004 for each additional bottle sold. ? Assuming at least 10,000 bottles of wine are produced and sold, what is the maximum profit? What would be the price/bottle in this case? ?
A. The maximum profit is $30,000.00, the price/bottle is $3.70/bottle B. The maximum profit is $40,000.00, the price/bottle is $4.00/bottle C. The maximum profit is $35,000.00, the price/bottle is $3.90/bottle D. The maximum profit is $25,000.00, the price/bottle is $3.60/bottle E. The maximum profit is $20,000.00,the price/bottle is $4.00/bottle