Find ' \( k \) ' so that: \( \lim _{x \rightarrow 2} f(x) \) exists, where :
\[
f(x)=\left\{\beg...
Find ' \( k \) ' so that: \( \lim _{x \rightarrow 2} f(x) \) exists, where :
\[
f(x)=\left\{\begin{array}{lll}
2 x+3, & \text { if } & x \leq 2 \\
x+3 k, & \text { if } x2
\end{array}\right.
\]
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