document.write( "Question 153614: If f(x)=x^2-2x-7, find the following values: f(3) and f(-4) \n" ); document.write( "
Algebra.Com's Answer #113063 by jim_thompson5910(35256)\"\" \"About 
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# 1\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2-2x-7\" Start with the given function.\r
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\n" ); document.write( "\n" ); document.write( "\"f%283%29=%283%29%5E2-2%283%29-7\" Plug in \"x=3\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%283%29=9-2%283%29-7\" Square 3 to get 9\r
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\n" ); document.write( "\n" ); document.write( "\"f%283%29=9-6-7\" Multiply \"-2\" and \"3\" to get \"-6\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%283%29=-4\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=x%5E2-2x-7\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-4%29=%28-4%29%5E2-2%28-4%29-7\" Plug in \"x=-4\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-4%29=16-2%28-4%29-7\" Square \"-4\" to get \"16\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-4%29=16%2B8-7\" Multiply \"-2\" and \"-4\" to get \"8\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-4%29=17\" Combine like terms.\r
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