A function $f: \mathbb{R} \rightarrow \mathbb{R}$ defined as $f(x)=x^2-4 x+5$ is — Answer & Explanation

A function $f: \mathbb{R} \rightarrow \mathbb{R}$ defined as $f(x)=x^2-4 x+5$ is

✓ Correct answer: D

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Question ID #141945 · NewNcert

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