Suppose and http://webwork.mathstat.concordia.ca...c4ab36f8c1.png isnegative. Here are some small variations on the previous problems:

http://webwork.mathstat.concordia.ca...b69be1bdf1.png

http://webwork.mathstat.concordia.ca...96990ee631.png

http://webwork.mathstat.concordia.ca...d042b0e5f1.png

http://webwork.mathstat.concordia.ca...846bc07dc1.png

http://webwork.mathstat.concordia.ca...85572f1991.png

Can someone please point me in a direction towards solving this problem, I am not sure what they are asking?