document.write( "Question 143555: find domain and range\r
\n" ); document.write( "\n" ); document.write( "f(x)=2-square root xsquared+3x+2divided by x squared+5x+4
\n" ); document.write( "

Algebra.Com's Answer #104488 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
find domain and range
\n" ); document.write( "f(x)=2-square root xsquared+3x+2divided by x squared+5x+4
\n" ); document.write( "----------------
\n" ); document.write( "y = [2*sqrt(x^2+3x+2)] / [x^2+5x+4]\r
\n" ); document.write( "\n" ); document.write( "y = [2*sqrt[(x+1)(x+2)] / [(x+4)(x+1)]\r
\n" ); document.write( "\n" ); document.write( "-------------------
\n" ); document.write( "Domain: x cannot be -1 or -4
\n" ); document.write( "x^2+3x+2 must not be negative; but it never is.
\n" ); document.write( "So, domain is \"all Real Numbers except x=-1 and x=-4\".
\n" ); document.write( "---------------
\n" ); document.write( "Range: With those asymptotes all y values are possible
\n" ); document.write( "So, range is \"all Real Numbers\".
\n" ); document.write( "==================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );