document.write( "Question 441307: Find the domain of the function g defined by g(x)= square root of (3x+12) \n" ); document.write( "
Algebra.Com's Answer #304618 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Domain defines all possible values x can take. \n" ); document.write( "In your case, you just don't want the expression inside the radical to be negative, that is: \n" ); document.write( "3x+12 >= 0 \n" ); document.write( "3x >= -12 \n" ); document.write( "x >= -4 \n" ); document.write( ". \n" ); document.write( "OR, domain is \n" ); document.write( "[-4, +oo) \n" ); document.write( "where oo represents infinity\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |