Expression 3: StartRoot, left parenthesis, "x" minus 1 , right parenthesis squared plus "y" squared , EndRoot plus StartRoot, left parenthesis, "x" plus 1 , right parenthesis squared plus "y" squared , EndRoot equals 2.5 left brace, 0 less than or equal to "y" , right bracex−12+y2+x+12+y2=2.50≤y
3
Expression 4: min left parenthesis, left parenthesis, "x" minus 1 , right parenthesis squared plus "y" squared , left parenthesis, "x" plus 1 , right parenthesis squared plus "y" squared , right parenthesis equals 1 left brace, 0 less than or equal to "y" , right braceminx−12+y2,x+12+y2=10≤y
4
Expression 5: left parenthesis, abs left parenthesis, "x" , right parenthesis minus 1 , right parenthesis squared plus "y" squared less than or equal to .0 1absx−12+y2≤.01