Question

Fill in the blank: A function f:A→B where for every x1,x2∈X,f(x1)=f(x2)⇒x1=x2, is called a ______ function?

Answer 1

Answer:

A function f:A→B where for every x1,x2∈X,f(x1)=f(x2)⇒x1=x2, is called a one-one / injective function

Answer 2

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