Question: 2: Let A be the parabola y = x2. For each property of a subspace, prove or disprove that A satisfies it. Is A a

2: Let A be the parabola y = x2. For each property of a subspace, prove or disprove that A satisfies it. Is A a subspace of R2? Problem 3: Let A be the union of the first and third quadrants, including the boundaries. For each property of a subspace, prove or disprove that A satisfies it. Is A a subspace of R2

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