document.write( "Question 181622: How do you plot this funcion, f(x)=(2x^2)+4x, into this forumla, (f(x)-f(a))/(x-a) (lim as x approaches a). \n" ); document.write( "
Algebra.Com's Answer #136249 by HyperBrain(694)![]() ![]() ![]() You can put this solution on YOUR website! f(x)=(2x^2)+4x \n" ); document.write( "+++ \n" ); document.write( "When you want to find f(x)-f(a))/(x-a) (lim as x approaches a), you are saying that you want to differentiate f(x) with respect to x. \n" ); document.write( "+++ \n" ); document.write( "Differentiating skill: if f(x)=axn then f'(x)=anxn-1 where f'(x) is the derivative of f(x).\r \n" ); document.write( "\n" ); document.write( "f(x)=2x2+4x \n" ); document.write( "f'(x)=2(2)x2-1+4(1)x1-0 \n" ); document.write( "f'(x)=4x-4 \n" ); document.write( "+++ \n" ); document.write( "That's it. \n" ); document.write( "+++ \n" ); document.write( "Power up, \n" ); document.write( "HyperBrain! \n" ); document.write( "+++ \n" ); document.write( "Visit my blog here \n" ); document.write( " |