document.write( "Question 961710: Find the domain of the rational function f(x)= 9x /(x+5)(x+3) \n" ); document.write( "

Algebra.Com's Answer #587630 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
The only restrictions are values that make the denominator go to zero since division by zero is undefined.
\n" ); document.write( " $\"x%2B5=0\"$
\n" ); document.write( " $\"x=-5\"$
\n" ); document.write( "and
\n" ); document.write( " $\"x%2B3=0\"$
\n" ); document.write( " $\"x=-3\"$
\n" ); document.write( "So in interval notation,
\n" ); document.write( "( $\"-infinity\"$ , $\"-5\"$ )U( $\"-5\"$ $\"-3\"$ )U( $\"-3\"$ $\"infinity\"$ ) \n" ); document.write( "

\n" );