document.write( "Question 3988: Find the Max or Min point of this function\r
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\n" ); document.write( "\n" ); document.write( "f(x)= -x^2-14x-52
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Algebra.Com's Answer #1755 by longjonsilver(2297)\"\" \"About 
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f(x)=x^2-14x+59\r
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\n" ); document.write( "\n" ); document.write( "so f'(x) = 2x-14 = 0
\n" ); document.write( "2x = 14
\n" ); document.write( "--> x=7\r
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\n" ); document.write( "\n" ); document.write( "so, when x=7, y=\"7%5E2-14%287%29%2B59\" --> y=10\r
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\n" ); document.write( "\n" ); document.write( "f''(x) = 2, which is positive therefore a MINIMUM point.\r
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\n" ); document.write( "\n" ); document.write( "you do the other one\r
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\n" ); document.write( "\n" ); document.write( "jon
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