Find an equation for the ellipse described.Center at (2, 6); focus at (9, 6); vertex at (11, 6)
A. 
- 
= 1
B. 
+ 
= 1
C. 
+ 
= 2
D. 
+ 
= 1
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The triangle with vertices (0, 0), (0, 2), and (2, 2) about the line x = 2
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the equation and express the solution in exact form.log4(x + 1) + log4(x - 1) = 2
A. 
B. 
C. {17}
D. {
}
Mathematics
Graph the function.f(x) = x3 - 3
A. 
B. 
C. 
D. 
Mathematics
Find the domain of the rational function.R(x) = 
A. {x|x ? -9, 5} B. {x|x ? - 45, 1} C. {x|x ? 9, 5} D. {x|x ? 9, -5}
Mathematics