Solve the problem.A comet travels in a parabolic path, given by x = -2.5y2, where the sun is located at 
and the units are astronomical units (A.U.). Find the distance from the sun to the comet when the comet is located at 
Round to the nearest hundredth when necessary.
A. 2.79 A.U.
B. 2.6 A.U.
C. 1.4 A.U.
D. 2.69 A.U.
Answer: B
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Solve.The orbit of a planet around a sun has an eccentricity 0.00748. The closest that the planet comes to sun is 318.6 million miles and the farthest is 323.4 million miles. Find the major and minor diameters of the ellipse.
A. 642 million miles, 4.8 million miles B. 642 million miles, 637.2 million miles C. 642.018 million miles, 642 million miles D. 642 million miles, 641.982 million miles
Determine whether the given function satisfies a Laplace equation.f(x, y) = cos(x) sin(-y)
A. No B. Yes
Factor the trinomial completely.x3 + 5x2 - 84x
A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)
Use the first six terms to predict the limit of the sequence
(assume n begins with 1).
A. 0 B. 94 C. 2 D. 135 E. the sequence diverges