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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 1 · Q4
The number of points of discontinuity of f ( x )= {| x |+3, if x ≤-3; -2 x, if -3< x <3; 6 x +2, if x ≥ 3} is:
The number of points of discontinuity of $\displaystyle \mathrm{f}(\mathrm{x})=\left\{\begin{array}{cl}|\mathrm{x}|+3, & \text { if } \mathrm{x} \leq-3 \\ -2 \mathrm{x}, & \text { if }-3<\mathrm{x}<3 \\ 6 \mathrm{x}+2, & \text { if } \mathrm{x} \geq 3\end{array}\right.$ is :
Official answer
(B)
$\displaystyle 1$
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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.