If $f:(-7,7) \rightarrow \mathbb{R}$ is defined by $f(x)=[x]$ for all $x \in(-7,7)$, then the number of discontinuities of $f$ is

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If $f:(-7,7) \rightarrow \mathbb{R}$ is defined by $f(x)=[x]$ for all $x \in(-7,7)$, then the number of…