Expression 11: "x" Subscript, "a" , Baseline equals "a" "x" plus "b" "y" plus "t" Subscript, "x" , Baselinexa=ax+by+tx
11
Expression 12: "y" Subscript, "a" , Baseline equals "c" "x" plus "d" "y" plus "t" Subscript, "y" , Baselineya=cx+dy+ty
12
Expression 13: max left parenthesis, StartAbsoluteValue, "x" Subscript, "a" , Baseline minus "i" , EndAbsoluteValue , StartAbsoluteValue, "y" Subscript, "a" , Baseline minus "j" , EndAbsoluteValue , right parenthesis less than or equal to 1 Has graph.maxxa−i,ya−j≤1