Given \( f(x)=\left\{\begin{array}{rll}3 x-8 & \text { for } & x \leq 5 \\ 7 & \text { for } & x...

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Given \( f(x)=\left\{\begin{array}{rll}3 x-8 & \text { for } & x \leq 5 \\ 7 & \text { for } & x5\end{array}\right. \)
What is the value of the function :
(i) at \( x=3 \) and
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