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Graph Inequality
(±10)
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CANVAS NOT SUPPORTED IN THIS BROWSER!
var F1 = function(X,Y) { let x = X * 1, y = Y * 1; if ( (Math.abs(x)+Math.abs(y)) <= 4 ) return true; return false ; } ;
var F2 = function(X,Y) { let x = X * 1, y = Y * 1; let a = 3.5; if ( (x - y) >= a ) return true; return false ; } ;