求下列函数的定义域(1)y=x2-3x-10(2)y=[2x-3](3)y=(x-3)/(2x+4)(4)y=x2-3(x-10)0次方(5)y=[2x-3]/x-2(6)y=x-3/[2x-4]方括号是根号
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![求下列函数的定义域(1)y=x2-3x-10(2)y=[2x-3](3)y=(x-3)/(2x+4)(4)y=x2-3(x-10)0次方(5)y=[2x-3]/x-2(6)y=x-3/[2x-4]方括号是根号](/uploads/image/z/1995958-46-8.jpg?t=%E6%B1%82%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%EF%BC%881%EF%BC%89y%3Dx2-3x-10%282%29y%3D%5B2x-3%5D%283%29y%3D%28x-3%29%2F%282x%2B4%29%284%29y%3Dx2-3%28x-10%290%E6%AC%A1%E6%96%B9%285%29y%3D%5B2x-3%5D%2Fx-2%286%29y%3Dx-3%2F%5B2x-4%5D%E6%96%B9%E6%8B%AC%E5%8F%B7%E6%98%AF%E6%A0%B9%E5%8F%B7)
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求下列函数的定义域(1)y=x2-3x-10(2)y=[2x-3](3)y=(x-3)/(2x+4)(4)y=x2-3(x-10)0次方(5)y=[2x-3]/x-2(6)y=x-3/[2x-4]方括号是根号
求下列函数的定义域
(1)y=x2-3x-10(2)y=[2x-3](3)y=(x-3)/(2x+4)(4)y=x2-3(x-10)0次方(5)y=[2x-3]/x-2(6)y=x-3/[2x-4]
方括号是根号
求下列函数的定义域(1)y=x2-3x-10(2)y=[2x-3](3)y=(x-3)/(2x+4)(4)y=x2-3(x-10)0次方(5)y=[2x-3]/x-2(6)y=x-3/[2x-4]方括号是根号
(1)R
(2)2x-3≥0 x≥3/2
(3)2x+4≠0 x≠-2
(4)x-10≠0 x≠10
(5)x≠0
(6)2x-4>0 x>2
(1) x是任意实数R
(2)2X-3>=0
(3)R
4。R
5 2X-3>=0且X-2不等于0
6。 2X-4>0