Graph the ellipse and locate the foci.
+ 
= 1 
A. foci at (0, 2
) and (0, -2
)
B. foci at (2
, 0) and (-2
, 0)
C. foci at (3
, 0) and (-3
, 0)
D. foci at (0, 3
) and (0, -3
)
Answer: B
Mathematics
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Find the surface area or volume.Use an integral table and a calculator to find to two decimal places the area of the surface generated by revolving the curve 
about the x-axis.
A. 99.99 B. 71.39 C. 58.17 D. 81.81
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Solve the radical equation. Check all proposed solutions.
= 1 + 
A. x = 0, 25 B. x = 0, 9 C. x = 0, 49 D. x = 0, 1
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Use the graph of the relation to identify the domain and range.y = x2 + 2
A. domain: (-?, ?) range: (-?, ?) B. domain: (-?, ?) range: [-2, 2] C. domain: (-?, ?) range: [2, ?) D. domain: (-?, ?) range: (2, ?)
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Subtract.
?
?
A. -14.465 B. -14.444 C. -14.345 D. -13.32 E. -14.445
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