Find a parametric equation of the indicated ellipse.Foci: (4,1) and(4,-5); length of major axis: 10
A. x = 4 cos t - 4, y = 5 sin t + 2
B. x = 5 cos t + 4, y = 4 sin t - 2
C. x = 4 cos t + 4, y = 5 sin t - 2
D. x = 5 cos t - 4, y = 4 sin t + 2
Answer: C
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?9 mA radio telescope has a parabolic surface. If it is 9 m deep and 12 m wide, how far is the focus from the vertex?
A. 4 m B. 9 m C. 3 m D. 1 m
Use the method of undetermined coefficients to solve the differential equation.y'' - 5y' + 4y = 5 cos x
A. y = (C1 + C2x)e4x + 
cos x - 
sin x
B. y = C1 cos 4x + C2 sin 4x + 
sin x - 
cos x
C. y = C1e4x + C2ex + 
sin x - 
cos x
D. y = C1e4x + C2ex + 
cos x - 
sin x
Find the apportionment asked for.A small country consists of 7 provinces with the following populations: 
There are 300 federal judges to be apportioned according to the population of each province. Find the apportionment for province G using Adams' method.
A. 53 B. 55 C. 54 D. 56
Solve the equation.
- 
= 
A. {30} B. {-30} C. {5} D. {-5}