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> 函数y=中自变量x的取值范围是A.x³1B.x³-1C.x£1D.x£-1-九年级数学
函数y=中自变量x的取值范围是A.x³1B.x³-1C.x£1D.x£-1-九年级数学
题目简介
函数y=中自变量x的取值范围是A.x³1B.x³-1C.x£1D.x£-1-九年级数学
题目详情
函数y=
中自变量x的取值范围是
A.x³1
B.x³-1
C. x£1
D. x£-1
题型:单选题
难度:偏易
来源:不详
答案
A
本题考查函数的意义。二次根式
故选择A。
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题目简介
函数y=中自变量x的取值范围是A.x³1B.x³-1C.x£1D.x£-1-九年级数学
题目详情
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