if the function f:z->zbe defined by f(x)=x^2 then f-1(25) and f-1(-7). mapping questions solve
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if the function f:z->zbe defined by f(x)=x^2 then f-1(25) and f-1(-7). mapping questions solve
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.