Find the points of discontinuity of f(x)=sin xx, if x<02x+3, if x≥0

Find the points of discontinuity of $f (x) = \{\begin{cases} \frac{\sin x}{x}, i f x < 0 \\ 2 x + 3, i f x \geq 0 \end{cases}$

Matching exercise

Match the items on the right to the items on the left.

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