document.write( "Question 1116643: based on the function f(x)= X^4-2x^2-3 what is the domAIN OF the function \n" ); document.write( "
Algebra.Com's Answer #731542 by ikleyn(52905)\"\" \"About 
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\n" ); document.write( "All real numbers.\r
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\n" ); document.write( "\n" ); document.write( "The entire number line is the domain.\r
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