Microeconomía I Entra a los siguientes links y demuestra gráfica y/o algebraícamente los resultados correctos

Sobre producción y costos:

http://cwx.prenhall.com/bookbind/pubbooks/pel_parkin_microecon_5/chapter11/multiple1/

http://cwx.prenhall.com/bookbind/pubbooks/pel_parkin_microecon_5/chapter11/multiple2/

http://cwx.prenhall.com/bookbind/pubbooks/pel_parkin_microecon_5/chapter11/multiple3/

http://cwx.prenhall.com/bookbind/pubbooks/pel_parkin_microecon_5/chapter11/multiple4/

Sobre los mercados en competencia perfecta:

http://cwx.prenhall.com/bookbind/pubbooks/pel_parkin_microecon_5/chapter12/multiple1/