document.write( "Question 1021485: Consider the function
\n" ); document.write( "f(x)=√(x^2-1)
\n" ); document.write( " What is the domain for f(x)?\r
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\n" ); document.write( "I need help with this question.
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Algebra.Com's Answer #637256 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
The domain of x is where the radical cannot be negative. It may be 0.
\n" ); document.write( "This is possible for all x greater than or equal to 1 or less than or equal to minus 1.
\n" ); document.write( "The domain does not include (-1,1)
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