document.write( "Question 644371: considering f(x)=2x+1 evaluate for f(3) \n" ); document.write( "
Algebra.Com's Answer #404993 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=2x%2B1\" evaluate for \"f%283%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%283%29=2%2A3%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"f%283%29=6%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"f%283%29=7\"
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