Planets travel in elliptical orbits with the sun at one focus. Assume that the focus is at the pole, the major axis lies on the polar axis, and the length of the major axis is 2a (see figure). The polar equation of the orbit of a planet is given below, where e is the eccentricity. If 
miles and 
find the perihelion distance (the minimum distance from the sun to the planet). Round your answer to the nearest mile.
A) 86,596,392 miles
B) 91,219,608 miles
C) 8,659,639 miles
D) 9,121,961 miles
E) 865,963,920 miles
A) 86,596,392 miles
Mathematics
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Graph the function.f(x) = 
x2
A. 
B. 
C. 
D. 
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Choose the verbal description for f(x).f(x) = 
A. Multiply the reciprocal of the input x by 8 to obtain the output y. B. Divide 8 by the input x to obtain the output y. C. Divide the input x by 8 to obtain the output y. D. Multiply the input x by 8 to obtain the output y.
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Convert the units using unit fractions.10 days = 
hr
A. 120 B. 600 C. 70 D. 240
Mathematics
Match the graph to the function listed whose graph most resembles the one given.
A. cube root function B. square function C. cube function D. square root function
Mathematics