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主要内容

表格上的单侧极限

问题

函数 g 是在实数轴上定义的。下表列出了 g 的取值。
xg, left parenthesis, x, right parenthesis
minus, 8, point, 025minus, 5, point, 2
minus, 8, point, 005minus, 5, point, 04
minus, 8, point, 001minus, 5, point, 008
minus, 88
minus, 7, point, 9990, point, 008
minus, 7, point, 9950, point, 04
minus, 7, point, 9750, point, 2
以下式子的合理取值是什么 limit, start subscript, x, \to, minus, 8, start superscript, plus, end superscript, end subscript, g, left parenthesis, x, right parenthesis
选出正确答案:
不会做了?
不会做了?