document.write( "Question 1155999: Please help with this calculus max and min question\r
\n" ); document.write( "\n" ); document.write( "Find the absolute maximum and absolute minimum values of f on the given interval. (Round all answers to two decimal places.)
\n" ); document.write( "f(x) = x(e^-x^2/98)
\n" ); document.write( "[-4, 14]
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Algebra.Com's Answer #778740 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29+=+matrix%282%2C1%2C%22%22%2Cx%2A%28e%5E%28-x%5E2%2F98%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "[\"-4\",\"14\"]\r
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\n" ); document.write( "\n" ); document.write( "derivate to find critical points:\r
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\n" ); document.write( "\n" ); document.write( "\"f\"'\r
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\n" ); document.write( "\n" ); document.write( "equal to zero:\r
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\n" ); document.write( "\n" ); document.write( " \"-%281%2F49%29%2A+matrix%282%2C1%2C%22%22%2Ce%5E%28-x%5E2%2F98%29%29+%2A%28x%5E2+-+49%29=0\" ......since will be equal to zero if\r
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\n" ); document.write( "\n" ); document.write( "\"matrix%282%2C1%2C%22%22%2Ce%5E%28-x%5E2%2F98%29%29+=0\" or \"%28x%5E2+-+49%29=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"matrix%282%2C1%2C%22%22%2Ce%5E%28-x%5E2%2F98%29+%29+=0\"=> solution does not exist\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%5E2+-+49%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28x+-+7%29%28x%2B7%29=0\"\r
\n" ); document.write( "\n" ); document.write( "=>\"x=7\" or \"x=-7\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+matrix%282%2C1%2C%22%22%2C7%28e%5E%28-7%5E2%2F98%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+matrix%282%2C1%2C%22%22%2C7%28e%5E%28-49%2F98%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+matrix%282%2C1%2C%22%22%2C7%28e%5E%28-1%2F2%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+7sqrt%28e%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+11.54\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%28-7%29+=+matrix%282%2C1%2C%22%22%2C-7%28e%5E%28-%28-7%29%5E2%2F98%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28-7%29+=+matrix%282%2C1%2C%22%22%2C-7%28e%5E%28-49%2F98%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28-7%29+=+matrix%282%2C1%2C%22%22%2C-7%28e%5E%28-1%2F2%29%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28-7%29+=+-7sqrt%28e%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+-11.54\"\r
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\n" ); document.write( "\n" ); document.write( "both solutions are in given interval\r
\n" ); document.write( "\n" ); document.write( "use second derivative test to determine at what point is maximum and minimum:\r
\n" ); document.write( "\n" ); document.write( "\"f\"''\r
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\n" ); document.write( "\n" ); document.write( "if \"x=7\"\r
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\n" ); document.write( "\n" ); document.write( "=> negative, so at \"x=7\" is a \"max\"\r
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\n" ); document.write( "\n" ); document.write( "if \"x=-7\"\r
\n" ); document.write( "\n" ); document.write( "=> positive, so at \"x=-7\" is a min\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+x%2A%28e%5E%28-x%5E2%2F98%29%29%29+\"
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