函数y=1/x+2+根号4-xˆ2的定义域是( ) (A)[-2,2) (B)(-2,2] (C)(-2,2(D)[-2,2]
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![函数y=1/x+2+根号4-xˆ2的定义域是( ) (A)[-2,2) (B)(-2,2] (C)(-2,2(D)[-2,2]](/uploads/image/z/3510936-0-6.jpg?t=%E5%87%BD%E6%95%B0y%3D1%2Fx%2B2%2B%E6%A0%B9%E5%8F%B74-x%26%23710%3B2%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E6%98%AF%EF%BC%88+%EF%BC%89+%EF%BC%88A%EF%BC%89%5B-2%2C2%EF%BC%89+%EF%BC%88B%EF%BC%89%EF%BC%88-2%2C2%5D+%EF%BC%88C%EF%BC%89%EF%BC%88-2%2C2%EF%BC%88D%EF%BC%89%5B-2%2C2%5D)
函数y=1/x+2+根号4-xˆ2的定义域是( ) (A)[-2,2) (B)(-2,2] (C)(-2,2(D)[-2,2]
函数y=1/x+2+根号4-xˆ2的定义域是( ) (A)[-2,2) (B)(-2,2] (C)(-2,2
(D)[-2,2]
函数y=1/x+2+根号4-xˆ2的定义域是( ) (A)[-2,2) (B)(-2,2] (C)(-2,2(D)[-2,2]
c,x不等于-2,4-x2>=0