document.write( "Question 637380: F(x)= -2/x - 1 (find domain) \n" ); document.write( "
Algebra.Com's Answer #401608 by nerdybill(7384)\"\" \"About 
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F(x)= -2/(x - 1) (find domain)
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\n" ); document.write( "The domain specifies all valid values that 'x' can take.
\n" ); document.write( "The ONLY restriction is if the denominator is zero (can't divide by zero).
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\n" ); document.write( "setting denominator to zero and solve for x:
\n" ); document.write( "x - 1 = 0
\n" ); document.write( "x = 1 (this is the ONLY number x can't be)
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\n" ); document.write( "Therefore, the domain is all real numbers except 1
\n" ); document.write( "Or, interval notation:
\n" ); document.write( "(-oo, 1) U (1, +oo)
\n" ); document.write( "where oo stands for infinity
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