document.write( "Question 436209: What i the domain of the rational expression f(x)= x-5 over 2x+3
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #301799 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! What i the domain of the rational expression f(x)= x-5 over 2x+3 \n" ); document.write( ". \n" ); document.write( "The \"domain\" specifies the range of numbers for x. \n" ); document.write( "x can assume all numbers except when denominator is zero. \n" ); document.write( "so set 2x+3 to zero and solve for x (only value x can't take): \n" ); document.write( "2x+3 = 0 \n" ); document.write( "2x = -3 \n" ); document.write( "x = -3/2 \n" ); document.write( ". \n" ); document.write( "domain then is all real numbers except -3/2 \n" ); document.write( "or \n" ); document.write( "(-oo, -3/2) U (-3/2, +oo) \n" ); document.write( "where oo is infinity \n" ); document.write( " |