Determine whether f : z × z → z is onto if

Take into account the functionf. : ZXZ → Z identified byf (m’n)-|ml the target should dertermine whether fis onto(or) perhaps not from the description of.f,for any set (m,0)eZxz for that reason,/ (m,-1)-m Vm EZ therefore, f(ZxZ) -Z very, the big event fis lonto Consi der the big event f : ZxZ ->Z identified byf (m,n) -m-4 the target should dertermine whether fis onto(or) perhaps not Since m 20, m2-42-4 number down.f (Zxz)-[4,00) 4 Z considering that the array of fis perhaps not equals to the co-domain, fis perhaps not onto

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