document.write( "Question 464351: Find the average rate of change for f(x)= 4x² from 0 to 7/4
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document.write( "and the equation of the secant line containing (0, f(0)) and (7/4, f(7/4)). Please show all of your work. \n" );
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Algebra.Com's Answer #318120 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the average rate of change for f(x)= 4x² from 0 to 7/4 \n" ); document.write( "and the equation of the secant line containing (0, f(0)) and (7/4, f(7/4)). Please show \n" ); document.write( "---------------- \n" ); document.write( "The average rate of change is the slope of the line joining the two points. \n" ); document.write( "--- \n" ); document.write( "slope = [f(7/4)-f(0)]/[(7/4)-0] \n" ); document.write( "---- \n" ); document.write( "f(7/4) = 4(7/4)^2 = 49/4 \n" ); document.write( "------ \n" ); document.write( "slope = [(49/4)-0]/[7/4] = (49/4)/[7/4] = 7 \n" ); document.write( "========================================= \n" ); document.write( "Equation of the line thru (0,0) and with slope = 7 \n" ); document.write( "--- \n" ); document.write( "Equation Form: y = mx + b \n" ); document.write( "0 = 7*0 + b \n" ); document.write( "b = 0 \n" ); document.write( "--- \n" ); document.write( "Equation of the secant: y = 7x \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========== \n" ); document.write( " |