Find the domain of the composite function (f ? g)(x). Write the domain in interval notation.f(x) = 
, g(x) = 
A. (-?, -3) ? (-3, -1) ? (-1, 0) ? (0, ?)
B. (-?, -1) ? (-1, 0) ? (0, ?)
C. (-?, ?)
D. (-?, -3) ? (-3, 0) ? (0, ?)
Answer: B
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Solve the problem.The orbit of a planet around a sun is an ellipse with the sun at one focus. The aphelion of a planet is its greatest distance from the sun, its perihelion is its shortest distance, and its mean distance is the length of the semimajor axis of the elliptical orbit. If a planet has a perihelion of 397.4 million miles and a mean distance of 399 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the proportion.
= 
A. {74}
B. 
C. 
D. 
Add or subtract as indicated. You will need to simplify terms to identify like radicals.5
+ 
A. 10
B. 5
+ 
C. 7
D. 6
Find the area.Find the area under the curve y = 
bounded on the left by x = 24.
A. 
B. 
C. 
D. 10