document.write( "Question 902696: Please help me solve this…\r
\n" ); document.write( "\n" ); document.write( "Find f(3) and f(-1)\r
\n" ); document.write( "\n" ); document.write( "f(x)=3x
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Algebra.Com's Answer #547460 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=3x\"
\n" ); document.write( "Substitute your value for \"x\"
\n" ); document.write( "\"f%283%29=3%283%29\"
\n" ); document.write( "\"f%283%29=9\"
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\n" ); document.write( "\"f%28-1%29=3%28-1%29\"
\n" ); document.write( "\"f%28-1%29=-3\"
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