求下列幂函数的定义域(1)y=x^(2/3)(2)y=x^(5/6)(3)y=x^(-4/5)(4)y=x^(-3/2)麻烦要过程T_T

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求下列幂函数的定义域(1)y=x^(2/3)(2)y=x^(5/6)(3)y=x^(-4/5)(4)y=x^(-3/2)麻烦要过程T_T
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求下列幂函数的定义域(1)y=x^(2/3)(2)y=x^(5/6)(3)y=x^(-4/5)(4)y=x^(-3/2)麻烦要过程T_T
求下列幂函数的定义域
(1)y=x^(2/3)
(2)y=x^(5/6)
(3)y=x^(-4/5)
(4)y=x^(-3/2)
麻烦要过程T_T

求下列幂函数的定义域(1)y=x^(2/3)(2)y=x^(5/6)(3)y=x^(-4/5)(4)y=x^(-3/2)麻烦要过程T_T
(1)y=x^(2/3) x=R
(2)y=x^(5/6)
x>=0
(3)y=x^(-4/5)
不等零
(4)y=x^(-3/2)
x=R+