document.write( "Question 551922: what is the domain of the function f(x)=sqrt x-1 \n" ); document.write( "
Algebra.Com's Answer #359996 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! f(x) = sqrt {x-1}\r \n" ); document.write( "\n" ); document.write( "The domain is all values that x can take on.\r \n" ); document.write( "\n" ); document.write( "I'll set the insides greater-than-or-equal-to zero, and solve. The result will be my domain.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x - 1 ≥ 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Adding 1 to both sides of the inequality, I get:\r \n" ); document.write( "\n" ); document.write( "x ≥ 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The domain is \"all x ≥ 1.\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |