document.write( "Question 1016411: Given function \r
\n" ); document.write( "\n" ); document.write( " f(x) = 4 x^2 - 5 x^1 + 1 ,\r
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Algebra.Com's Answer #632862 by richard1234(7193)\"\" \"About 
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f'(x) = 8x - 5\r
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\n" ); document.write( "\n" ); document.write( "Critical point when 8x - 5 = 0, or x = 5/8 = 0.625.
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