document.write( "Question 687918: Please help...\r
\n" ); document.write( "\n" ); document.write( "For the function f(x)=3x-7 calculate: f(-4)\r
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Algebra.Com's Answer #425397 by ReadingBoosters(3246)\"\" \"About 
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Plug in -4 for x
\n" ); document.write( "f(-4) = 3(-4) - 7
\n" ); document.write( "= -12 - 7
\n" ); document.write( "\"highlight_green%28f%28-4%29+=+-19%29\"
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