Find the center of the ellipse.25x2 + y2 - 200x + 375 = 0

A. (4, 0)
B. (-4, 0)
C. (-4, -5)
D. (5, 0)

Answer: A

Mathematics

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Sketch a graph that shows the relationship between the variables defined.A hot air balloon flew from Seattle, WA to Olympia, WA. Let a be the altitude (in feet) of the hot air balloon t minutes after take off.

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Mathematics

For the following rational function, identify the coordinates of all removable discontinuities and sketch the graph. Identify all intercepts and find the equations of all asymptotes.f(x) =

A. removable discontinuity at (-4, -8);
no x-intercepts, y-intercept: ;
asymptotes: y = 0 and x = 4

B. removable discontinuity at (4, 8);
no x-intercepts, y-intercept: ;
asymptotes: y = 0 and x = 4

C. removable discontinuity at (4, 8);
x-intercept: (-4, 0), y-intercept: (0, 4);
no asymptotes

D. removable discontinuity at (-4, -8);
no x-intercept: (4, 0), y-intercept: (0, -4);
no asymptotes