document.write( "Question 140344: Please show me how to find and graph the derivative value? Thanks!\r
\n" ); document.write( "\n" ); document.write( "given: y = X^2\r
\n" ); document.write( "\n" ); document.write( "at X = 3\r
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\n" ); document.write( "\n" ); document.write( "at X = -1
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Algebra.Com's Answer #102222 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
The derivative of y (y' or dy/dx) is 2x.
\n" ); document.write( "At x=3, the derivative is 2(3)=6.
\n" ); document.write( "At x=-1, the derivative is 2(-1)=-2.
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