document.write( "Question 329414: Aki's bicycle design had determined that when x hundred bicycles are built, the average cost per bicycle is given by C(x)=0.5x^2-0.4x+7.064 where C(x) is in hundreds of dollars. How many bicycles should the shop build to minimize the average cost per bicycle? \n" ); document.write( "
Algebra.Com's Answer #236200 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! C'[x] = x - 0.4 \n" ); document.write( "& C\"[x] = +1 \n" ); document.write( "so setting C'[x] to 0 will give the minimum\r \n" ); document.write( "\n" ); document.write( "x - 0.4 = 0 \n" ); document.write( "x = 0.4\r \n" ); document.write( "\n" ); document.write( "Answer: 40 bicycles \n" ); document.write( " |