Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_functions
Class 12 Maths · Relations And Functions · Mcq Single Correct #137
The function \(f:\mathbb R\to\mathbb R\), \(f(x)=4+3\cos x\), is
✅ Step-by-Step Solution
Final Answer: Option (D): Neither one-one nor onto
- Its range is [1,7], so it is not onto R. Periodicity, for example f(0)=f(2*pi), disproves injectivity.
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