Class 12 Relations And Functions · Mcq Single Correct1 Markstypes_of_functions
Class 12 Maths · Relations And Functions · Mcq Single Correct #7
Let \(f:\mathbb{R}\to\mathbb{R}\) be defined as \(f(x)=x^4\). Then
✅ Step-by-Step Solution
Final Answer: Option (D): f is neither one-one nor onto
- \(f(1)=f(-1)=1\), so it is not injective. Its range is \([0,\infty)\), so it is not onto \(\mathbb{R}\).
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