document.write( "Question 274760: Evaluate f(x)= 4x^2 - 2 for f(1/2) \n" ); document.write( "
Algebra.Com's Answer #200498 by jim_thompson5910(35256)\"\" \"About 
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\"f%28x%29=4x%5E2-2\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=4%281%2F2%29%5E2-2\" Plug in \"x=1%2F2\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=4%281%2F4%29-2\" Square \"1%2F2\" to get \"1%2F4\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=1-2\" Multiply \"4\" and \"1%2F4\" to get \"1\".\r
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\n" ); document.write( "\n" ); document.write( "\"f%281%2F2%29=-1\" Combine like terms.
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