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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 1 · Set 1 · Q1
A function f: R_+ → R (where R_+ is the set of all non-negative real numbers) defined by f ( x )=4 x +3 is:
A function $\displaystyle \mathrm{f}: \mathrm{R}_{+} \rightarrow \mathrm{R}$ (where $\displaystyle \mathrm{R}_{+}$is the set of all non-negative real numbers) defined by $\displaystyle \mathrm{f}(\mathrm{x})=4 \mathrm{x}+3$ is :
Official answer
(A)
one-one but not onto
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.