document.write( "Question 1153126: What is domain and range, use interval notation\r
\n" ); document.write( "\n" ); document.write( "x + 2 / x^2 + 2x -8\r
\n" ); document.write( "\n" ); document.write( "so... x^2 + 2x - 8 cannot be 0
\n" ); document.write( "also... (x + (-2)) (x + 4) cannot be 0
\n" ); document.write( "and... x cannot be 2, x cannot be -4\r
\n" ); document.write( "\n" ); document.write( "is Domain (-infinity,-4) u (-4,2) u (2,infinity)
\n" ); document.write( "is Range all real numbers ?
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Algebra.Com's Answer #775295 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "domain:{ \"x\" element \"R\" : \"x%3C%3E-4\" and \"x%3C%3E2\" }
\n" ); document.write( "(assuming a function from reals to reals)\r
\n" ); document.write( "\n" ); document.write( "range: \"R\" (all real numbers)
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