Expression 3: left parenthesis, "x" to the 4th power plus "y" to the 4th power minus 25 , right parenthesis left parenthesis, "y" plus 1 , right parenthesis left parenthesis, left parenthesis, "x" minus 1 , right parenthesis squared plus "b" left parenthesis, "y" minus 1 , right parenthesis squared minus .2 , right parenthesis left parenthesis, left parenthesis, "x" plus 1 , right parenthesis squared plus left parenthesis, "y" minus 1 , right parenthesis squared minus .2 , right parenthesis less than or equal to 0x4+y4−25y+1x−12+by−12−.2x+12+y−12−.2≤0