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Solve this:

Q22. $f\left(x\right)=\left\{\begin{array}{ccc}\left(x\right)+3& ,& x\le -3\\ -2x& ,& -3x3\\ 6x+2& ,& x\ge 3\end{array}\right.$, then find points of discontinuity

https://www.meritnation.com/ask-answer/question/find-the-points-of-discontinuity-of-the-following-function/continuity-and-differentiability/11399397

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