Let
f(x) = \left\lbrace \begin{array}{ll}
-3+x,\quad{\rm if}\,\, x<3 \\
3-x,\quad{\rm if}\,\, x\ge 3
\end{array} \right.
Evaluate the following expressions.

\displaystyle\lim_{x\to 3^-} f(x) =

\displaystyle\lim_{x\to 3^+} f(x) =

f(3) =

Is the functionf continuous at 3 ?
?
Yes
No

Is the function

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