document.write( "Question 392331: What is the domain of f(x) = x^4 - 10x^2 + 9 \n" ); document.write( "
Algebra.Com's Answer #278460 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

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Solved by pluggable solver: Plot a graph of any function AND its DOMAIN

\n" ); document.write( " Here's a graph of function \"x%5E4-10x%5E2%2B9\" (x^4-10x^2+9).
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\n" ); document.write( " The domain is shown on the x axis by a green horizontal line.
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\n" ); document.write( "\n" ); document.write( "(\"-infinity\",\"infinity\")
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