Find an equation of an ellipse satisfying the given conditions.Vertices: (-1, -4) and (9, -4); endpoints of minor axis: (4, -8) and (4, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 0
D. 
+ 
= 1
Answer: A
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Find an exponential model for the following data set. Round your answer to two decimal places. t 0 2.13 4.26 6.39 y 6.09 8.35 11.45 15.71?
A. 
B. ?
C. ?
D. ?
Solve the problem.The graph shows the total cost y (in dollars) of owning and operating a minivan where x is the number of miles driven.
Find the slope of the line passing through the two points shown and use your answer to complete this statement: For the range of miles shown, the cost of owning and operating a minivan increases by approximately 
per 
style="vertical-align: -10.0px;" /> driven. A. $0.18 per mile B. $20.00 per mile C. $5.67 per mile D. $0.25 per mile
Multiply. Write the result in the form a + bi.(6 + 
) (3 + 
)
A. 4 - 9
i
B. (18 - 
)+ (6
+ 3 
)i
C. 32 + 126i
D. (18 + 
)- 32i
Write the form of the partial fraction decomposition of the rational expression. It is not necessary to solve for the constants.
A. 
+ 
B. 
+ 
C. 
+ 
+ 
D. 
+ 
+ 