document.write( "Question 989587: Let y = \r
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document.write( "Find A,B, and C so that \r
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document.write( "A = ____
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document.write( "B = ____
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document.write( "Then find the value of the derivative at 0.
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document.write( "_____________|............=____
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document.write( "_____________|\r
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document.write( "Please explain
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document.write( "Thank you \n" );
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Algebra.Com's Answer #609874 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! y = 3x^4 - 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = 3x^4 - 5x^0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dy/dx = 4*3*x^(4-3) - 0*5*x^(0-1) ... use the power rule to find the derivative\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dy/dx = 12x^2 - 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dy/dx = 12x^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, A = 12, B = 2, C = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now plug in x = 0 into the dy/dx equation.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dy/dx = 12x^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dy/dx = 12*0^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "dy/dx = 0 \n" ); document.write( " |