MCQ
Let $f : R \rightarrow R$ be a function defined by $f(x) = x^3 + 4,$ then $f$ is$:$
  • A
    Injective.
  • B
    Surjective.
  • Bijective.
  • D
    None of these.

Answer

Correct option: C.
Bijective.
Bijective.

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