document.write( "Question 108074: If f(x)=3x+7, find f(-2). \n" ); document.write( "
Algebra.Com's Answer #78934 by HyperBrain(694)\"\" \"About 
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\"f%28x%29=3x%2B7\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-2%29=3%28-2%29%2B7=-6%2B7=1\"\r
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\n" ); document.write( "\n" ); document.write( "Thus, if \"f%28x%29=3x%2B7\", then \"f%28-2%29=1\"\r
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\n" ); document.write( "\n" ); document.write( "Power up,
\n" ); document.write( "HyperBrain!
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