## Question

###### Let 0.250_Z15 be a group homomorphism with @(x)-7x. Then; Ker(o) ={0,5,15,25,35,45}{0,15,30,45}(0,10,20,30,40}None ol the choicesThe number of subgroups of the group Z/45zNone of the choices

Let 0.250_Z15 be a group homomorphism with @(x)-7x. Then; Ker(o) = {0,5,15,25,35,45} {0,15,30,45} (0,10,20,30,40} None ol the choices The number of subgroups of the group Z/45z None of the choices

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