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Please help i do not understand the term one to one
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Please help i do not understand the term one to one

Please help i do not understand the term one to one-example-1
User Luis Delgado
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Given

Answer

Function is not 1-1 as

f(1)=1

f(-1)=1

Since there are two pre images so f(x) is not 1-1

Please help i do not understand the term one to one-example-1
User Jaaaaaaay
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