Solve the problem.A planet travels around the sun in an elliptical orbit given approximately by 
where r is measured in miles and the Sun is at the pole. Find the distance from the planet to the Sun at aphelion (greatest distance from the Sun.)
A. 4.08 × 106 mi
B. 4.08 × 107 mi
C. 2.48 × 107 mi
D. 1.78 × 107 mi
Answer: B
Mathematics
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Set up the iterated integral for evaluating 
over the given region D. DD is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Mathematics
Find the value of (f ? g)' at the given value of x.f(u) = u2, u = g(x) = x5 + 2, x = 0
A. 15 B. 4 C. 0 D. -30
Mathematics
Write the expression as sums or differences of multiples of logarithms.log6
A. 
log63x
B. log6
+ log6
C. 
log63 + 
log6x
D. log63 + 
log6x
Mathematics
Simplify the expression by combining like terms.- 
+ 18y + 
y - 11 + 
y
A. 
y - 
B. 
y - 6
C. 
+ 6
D. 20y
Mathematics