The function defined by \( f(x)=\left\{\begin{array}{c}(x-5), x \ge...

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The function defined by \( f(x)=\left\{\begin{array}{c}(x-5), x \geq 5 \\ -(x-5), x5\end{array}\right. \) is
\( \mathrm{P} \)
(1) continuous on \( R^{+} \)
(2) continuous on \( R^{-} \)
(3) continuous on \( R \)
(4) none of these
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