Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the domain and range of the inverse of the given function.f(x) = 
A. Domain and range: all real numbers B. Domain: [7, ?); range: [7, ?) C. Domain: [0, ?); range: [7, ?) D. Domain: [7, ?); range: [0, ?)
Mathematics
Perform the indicated operations. Leave the result in polar form.
A. 
B. 
C. 
D. 
Mathematics
Identify the vertices and foci.
+ 
= 1
A. Vertices: (-10, 5), (20, 5); Foci: (-4, 4), (14, 4) B. Vertices: (4, -10), (4, 20); Foci: (-7, 5), (17, 5) C. Vertices: (4, -10), (4, 20); Foci: (4, -4), (4, 14) D. Vertices: (-10, 5), (20, 5); Foci: (4, -7), (4, 17)
Mathematics
Simplify the expression.
÷ 
A. (z + 8)(z + 7)
B. 
C. 
D. 
Mathematics