Find the domain of the rational expression.f(x) = 
A. {x|x is a real number and x ? 13, x ? 7, x ? 0}
B. 
C. {x|x is a real number and x ? -13, x ? 7, x ? 0}
D. 
Answer: A
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Find the margin of error for the survey results described. In a survey of 257 adults, 35% said that they had tried acupuncture at some point in their lives.Give your answer as a decimal to three decimal places.
A. 0.004 B. 0.062 C. 0.125 D. 0.031
Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false.
?
If 
and 
, then f must have a critical point at (a, b).
What will be an ideal response?
Multiply.(-0.4)(-0.9)
A. -1.3 B. 0.36 C. -0.5 D. -1.2
Solve the problem.What is the domain of the function f(x) = 
?
A. 0 ? (5, ?) B. 0 ? [5, ?) C. 0 ? (-?, -5] D. [5, ?)