Simplify.4{[4(x - 1) + 2] - [2(2x - 1) + 2]}
A. 8x - 2
B. 32x - 8
C. -8
D. 0
Answer: C
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Provide an appropriate response.Determine whether the graph of x2 - xy = 1 is symmetric about the x-axis, the y-axis, the origin, or the line y = x.
Fill in the blank(s) with the appropriate word(s).
Find the specified domain and express it in interval notation.For f(x) = 
and g(x) = x - 7, what is the domain of g/f ?
A. (3, 7) ? (7, ?) B. [3, 7) ? (7, ?) C. [3, ?) D. (3, ?)
Find the sum.541.67 + 0.9994 + 18 + 3.55602 + 76.013
A. 639.23902 B. 640.23842 C. 640.23742 D. 640.33842
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 302.5 million miles and a mean distance of 305 million miles, write an equation for the orbit of the planet around the sun.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1