document.write( "Question 1193571: find the extrema of the ff. function on the given interval, if there are any. determine the values of x at which the extrema occur.
\n" ); document.write( "f(x)= x the square root of 4-x^2 on [-1,2].
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Algebra.Com's Answer #848576 by ikleyn(52777)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "        The solution in the post by @parmen is  INCORRECT.\r
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\n" ); document.write( "\n" ); document.write( "It is incorrect,  because it uses in the analysis the value  \"f%28-sqrt%282%29%29\" = -2,
\n" ); document.write( "while the argument  \"-sqrt%282%29\"  is  OUT  of the domain of the function,  which  (the domain)  is  [-1,2].\r
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\n" ); document.write( "\n" ); document.write( "The correct answers are \r
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document.write( "    The extrema of the function are:\r\n" );
document.write( "        * Maximum value:  2       at x = \"sqrt%282%29\"\r\n" );
document.write( "        * Minimum value: \"-sqrt%283%29\"    at x = -1\r\n" );
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