Find the center, foci, and vertices of the ellipse.2x2 + 5y2 - 24x + 70y + 307 = 0
A. 
+ 
= 1
center: (-6, 7); foci: (-4.3, 7), (-7.7, 7); vertices: (-8.2, 7), (-3.8, 7)
B. 
+ 
= 1
center: (6, -7); foci: (7.7, -7), (4.3, -7); vertices: (8.2, -7), (3.8, -7)
C. 
+ 
= 1
center: (6, -7); foci: (7.7, -7), (4.3, -7); vertices: (8.2, -7), (3.8, -7)
D. 
+ 
= 1
center: (-6, 7); foci: (-4.3, 7), (-7.7, 7); vertices: (-8.2, 7), (-3.8, 7)
Answer: B
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Graph the pair of parametric equations with the aid of a graphing calculator.x = cos 6t, y = sin 5t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Given the graph of f, find any values of x at which f ' is not defined.
A. x = 0 B. x = 1 C. x = -1 D. x = 2
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