Expression 3: total left parenthesis, left parenthesis, "f" left parenthesis, "x" plus 1 , "y" minus 3 , right parenthesis minus "f" left parenthesis, "x" minus 1 , "y" minus 3 , right parenthesis , right parenthesis squared , right parenthesis equals left bracket, .2 5 , .5 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , right brackettotalfx+1,y−3−fx−1,y−32=.25,.5,1,2,3,4,5,6,7,8,9
3
Expression 4: total left parenthesis, left parenthesis, "f" left parenthesis, "x" plus 1 , "y" plus 3 , right parenthesis plus "f" left parenthesis, "x" minus 1 , "y" plus 3 , right parenthesis , right parenthesis squared , right parenthesis equals left bracket, .5 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , right brackettotalfx+1,y+3+fx−1,y+32=.5,1,2,3,4,5,6,7,8,9
4
Expression 5: total left parenthesis, left parenthesis, "f" left parenthesis, "x" plus 1 , "y" plus 3 , right parenthesis plus "f" left parenthesis, "x" minus 1 , "y" plus 3 , right parenthesis , right parenthesis squared , right parenthesis greater than or equal to 1totalfx+1,y+3+fx−1,y+32≥1
5
Expression 6: total left parenthesis, left parenthesis, "f" left parenthesis, "x" plus 1 , "y" minus 3 , right parenthesis minus "f" left parenthesis, "x" minus 1 , "y" minus 3 , right parenthesis , right parenthesis squared , right parenthesis greater than or equal to 1totalfx+1,y−3−fx−1,y−32≥1