document.write( "Question 637380: F(x)= -2/x - 1 (find domain) \n" ); document.write( "
Algebra.Com's Answer #401608 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! F(x)= -2/(x - 1) (find domain) \n" ); document.write( ". \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). \n" ); document.write( ". \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) \n" ); document.write( ". \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 \n" ); document.write( " \n" ); document.write( " |