document.write( "Question 545704: what is the domain of Log3 (x^2-9)? \n" ); document.write( "
Algebra.Com's Answer #359290 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! what is the domain of Log3 (x^2-9) \n" ); document.write( "** \n" ); document.write( "You can only take the log of a number>0, (regardless of base) \n" ); document.write( "x^2+9>0 \n" ); document.write( "(x+3)(x-3)>0 \n" ); document.write( "number line \n" ); document.write( "<...+...-3....-.....3.....+...> \n" ); document.write( "Domain: (-∞,-3) U (3, ∞) \n" ); document.write( " |