MCQ
The function $f:R \to R,\;f(x) = {x^2},\forall x \in R$ is
  • A
    Injection but not surjection
  • B
    Surjection but not injection
  • C
    Injection as well as surjection
  • Neither injection nor surjection

Answer

Correct option: D.
Neither injection nor surjection
d
(d) Since the mapping is many-one into.

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