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题目内容
Which of the following shaded regions represents the set of all points $$(a, b)$$ in the xy-plane above such that $$(a+1, b+1)$$ is in quadrant Ⅰ? (Note that a point lies on axis is not in any quadrant)
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· 相关考点
3.7.1 直线方程
3.7.1 直线方程
以上解析由 考满分老师提供。