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In the xy-plane, triangular region R is bounded by the lines x = 0, y = x, and y=-x+5. Which of the following points lie inside region R ?
Indicate all such points
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A.(0.5, 4)
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B.(1, 4)
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C.(1.5, 4)
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D.(2, 2)
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E.(2, 3)
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F.(2.5, 3)
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G.(3, 1.5)
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