下列集合A到集合B的对应关系中,不能确定y是x的函数的是1)A={X|X∈Z} B={y|y∈Z},对应法则f:x-y=x\3(2) A={(x,y)|x∈R,y∈R} B={(X,Y)|y=5x²} f:(x,y)-(2x,-y)(3) A ={X|-5≤x≤5} B={y|-5≤y≤5},f:x-x²+y&
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![下列集合A到集合B的对应关系中,不能确定y是x的函数的是1)A={X|X∈Z} B={y|y∈Z},对应法则f:x-y=x\3(2) A={(x,y)|x∈R,y∈R} B={(X,Y)|y=5x²} f:(x,y)-(2x,-y)(3) A ={X|-5≤x≤5} B={y|-5≤y≤5},f:x-x²+y&](/uploads/image/z/14902505-17-5.jpg?t=%E4%B8%8B%E5%88%97%E9%9B%86%E5%90%88A%E5%88%B0%E9%9B%86%E5%90%88B%E7%9A%84%E5%AF%B9%E5%BA%94%E5%85%B3%E7%B3%BB%E4%B8%AD%2C%E4%B8%8D%E8%83%BD%E7%A1%AE%E5%AE%9Ay%E6%98%AFx%E7%9A%84%E5%87%BD%E6%95%B0%E7%9A%84%E6%98%AF1%EF%BC%89A%3D%7BX%7CX%E2%88%88Z%7D+B%3D%7By%7Cy%E2%88%88Z%7D%2C%E5%AF%B9%E5%BA%94%E6%B3%95%E5%88%99f%EF%BC%9Ax%EF%BC%8Dy%3Dx%5C3%282%29+A%3D%7B%28x%2Cy%29%7Cx%E2%88%88R%2Cy%E2%88%88R%7D+B%3D%7B%EF%BC%88X%2CY%29%7Cy%3D5x%26sup2%3B%7D+f%3A%28x%2Cy%29%EF%BC%8D%282x%2C-y%29%283%29+A+%3D%7BX%7C-5%E2%89%A4x%E2%89%A45%7D+B%3D%7By%7C-5%E2%89%A4y%E2%89%A45%7D%2Cf%3Ax%EF%BC%8Dx%26sup2%3B%EF%BC%8By%26)
下列集合A到集合B的对应关系中,不能确定y是x的函数的是1)A={X|X∈Z} B={y|y∈Z},对应法则f:x-y=x\3(2) A={(x,y)|x∈R,y∈R} B={(X,Y)|y=5x²} f:(x,y)-(2x,-y)(3) A ={X|-5≤x≤5} B={y|-5≤y≤5},f:x-x²+y&
下列集合A到集合B的对应关系中,不能确定y是x的函数的是
1)A={X|X∈Z} B={y|y∈Z},对应法则f:x-y=x\3
(2) A={(x,y)|x∈R,y∈R} B={(X,Y)|y=5x²} f:(x,y)-(2x,-y)
(3) A ={X|-5≤x≤5} B={y|-5≤y≤5},f:x-x²+y²=25
A(1) B(1)(2) C(2)(3) D(1)(2)(3)
下列集合A到集合B的对应关系中,不能确定y是x的函数的是1)A={X|X∈Z} B={y|y∈Z},对应法则f:x-y=x\3(2) A={(x,y)|x∈R,y∈R} B={(X,Y)|y=5x²} f:(x,y)-(2x,-y)(3) A ={X|-5≤x≤5} B={y|-5≤y≤5},f:x-x²+y&
D(1)(2)(3)