Find the domain of the rational expression.f(x) = 
A. {x|x is a real number and x ? 0}
B. {x|x is a real number and x ? 5, x ? -9}
C. {x|x is a real number and x ? 8, x ? -8}
D. {x|x is a real number and x ? -5, x ? -9}
Answer: D
Mathematics
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The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 2x
A. 
B. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics
Solve and graph. Write the result in interval notation.f - 8 ? 3
A. [11, ?)
B. (-?, 11)
C. (11, ?)
D. (-?, 11]
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
D. 
+ 
+ 
Mathematics