document.write( "Question 1044380: What is f(-1) and what is f(3)? \n" ); document.write( "
Algebra.Com's Answer #659633 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "post what is \"f%28x%29\" equal to \r
\n" ); document.write( "\n" ); document.write( "to find what is \"f%28-1%29\" and what is \"f%283%29\", we need to know what is \"f%28x%29\" equal to
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