document.write( "Question 989587: Let y = \"+3x%5E4+-+5+\"\r
\n" ); document.write( "\n" ); document.write( "Find A,B, and C so that \"+%28dy%29%2F%28dx%29+=+Ax%5EB+%2B+C+\"\r
\n" ); document.write( "\n" ); document.write( "A = ____
\n" ); document.write( "B = ____
\n" ); document.write( "Then find the value of the derivative at 0.
\n" ); document.write( "\"+%28dy%29%2F%28dx%29\"_|
\n" ); document.write( "_____________|............=____
\n" ); document.write( "_____________|\"x=0\"\r
\n" ); document.write( "\n" ); document.write( "Please explain
\n" ); document.write( "Thank you
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Algebra.Com's Answer #609874 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
y = 3x^4 - 5\r
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\n" ); document.write( "\n" ); document.write( "y = 3x^4 - 5x^0\r
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\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
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\n" ); document.write( "\n" ); document.write( "dy/dx = 12x^2 - 0\r
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\n" ); document.write( "\n" ); document.write( "dy/dx = 12x^2\r
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\n" ); document.write( "\n" ); document.write( "So, A = 12, B = 2, C = 0\r
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\n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r
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\n" ); document.write( "\n" ); document.write( "Now plug in x = 0 into the dy/dx equation.\r
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\n" ); document.write( "\n" ); document.write( "dy/dx = 12x^2\r
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\n" ); document.write( "\n" ); document.write( "dy/dx = 12*0^2\r
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\n" ); document.write( "\n" ); document.write( "dy/dx = 0
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