which system of linear inequalities is represented by the graph? 1. y is less than or equal to x-2 and y is greater than or equal to x+1 2. y is greater than x-2 and y is less than x+1 3. y is greater than or equal to x-2 and y is less than or equal to x+1 4. y is less than x-2 and y is greater than x+1