Solve.The new mural in the student union shown in the sketch below is in the shape of half an ellipse. Find the equation for the ellipse if the center of the ellipse is at point A.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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, relative maximum: 
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Mathematics