document.write( "Question 86178: f(x)= 2x^2-x+4 (f(x+h)-f(x))/h
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Algebra.Com's Answer #62277 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! f(x)= 2x^2-x+4 (f(x+h)-f(x))/h\r \n" ); document.write( "\n" ); document.write( "------------------------ \n" ); document.write( "f(x+h) = 2(x+h)^2-(x+h)+4 \n" ); document.write( "f(x+h) = 2x^2+4hx+2h^2-x-h+4 \n" ); document.write( "f(x+h) = 2x^2+4hx-x+2h^2-h+4 \n" ); document.write( "----------- \n" ); document.write( "f(x)= 2x^2-x+4 \n" ); document.write( "--------- \n" ); document.write( "Subtract f(x) from f(x+h) to get: \n" ); document.write( "= 4hx+2h^2-h \n" ); document.write( "-------- \n" ); document.write( "Divide by h to get: \n" ); document.write( "[f(x+h)-f(x)]/h = 4x+2h-1 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |