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Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_functions

Class 12 Maths · Relations And Functions · Mcq Single Correct #51

Let \(f:\mathbb{R}\to\mathbb{R}\) be defined by \(f(x)=x^3+4\). Then \(f\) is

✅ Step-by-Step Solution

Final Answer: Option (C): Bijective
  1. The cubic is strictly increasing and every real \(y\) has the unique preimage \(\sqrt[3]{y-4}\). It is bijective, the most complete classification.

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